
I. General Information
- Year of birth: 1953.
- E-mail:ttdoihanh@gmail.com,doihanh@yahoo.com
- Affiliation: Department of Linguistics.
- Academic rank: Professor. Year of appointment: 2005.
- Academic degree: PhD. Year received: 1987.
- Training process:
1973-1977: University, Faculty of Literature, Hanoi University.
1979-1987: Associate Doctor of Philosophy, Faculty of Literature, Hanoi University.
- Foreign language proficiency: French (listening, speaking, and reading professional documents).
- Main research areas: Research and teaching of Vietnamese and the Viet-Muong language group (practical Vietnamese, Vietnamese phonetics, historical phonetics and history of the Vietnamese language, comparative history of the Viet-Muong language group); Research and teaching of the languages and cultures of Vietnamese ethnic minorities (general issues concerning the languages and cultures of Vietnamese ethnic minorities, the Viet-Muong group, and the ancient languages and scripts of the Tay-Thai group); Research and teachingLanguage and cultural policy, language education issuesIn the areas inhabited by ethnic minorities in Vietnam; Research and teaching of linguistic culture and toponymy in Vietnam.
II. Scientific works
Book
- Lexique Vietnamien - Ruc - Francais (From Vietnam)(Vietnamese - Ruc - French)(co-authored), University of Paris VII, Paris, 1988, 100p.
- Folk tales of the Nguồn people(Compiled by Dinh Thanh Du, translated from Nguồn by Tran Tri Doi), National Culture Publishing House, Hanoi, 1993, 98 pages.
- The economic and cultural realities of these three ethnic groups are at risk of disappearing.National Culture Publishing House, Hanoi 1995, 196 pages.
- The Bru - Van Kieu ethnic group: current situation and solutions for sustainable development.(co-authored), Agricultural Publishing House, Hanoi, 1997, 200 pages.
- Vietnamese language practice exercises,Education Publishing House, Hanoi, 1997, 190 pages; Vietnam National University, Hanoi Publishing House, 2003, 138 pages.
- Research on the languages of ethnic minorities in Vietnam.Vietnam National University, Hanoi Publishing House, 1999, 320 pages; Second edition, 2000, 301 pages.
- The current state of language education in ethnic minority mountainous regions of some provinces in Vietnam.National Culture Publishing House, Hanoi 1999, 124 pages.
- Language and socio-cultural developmentCulture and Information Publishing House, Hanoi 2001, 267 pages.
- National language and culture policy in Vietnam,Vietnam National University, Hanoi Publishing House, 2003, 185 pages.
- The current state of language education in the mountainous ethnic minority areas of three northern provinces of Vietnam - Recommendations and solutions.Vietnam National University, Hanoi Publishing House, 2004, 286 pages.
- Vietnamese history textbook(Draft), Vietnam National University Hanoi Publishing House, Hanoi 2005, 268 pages; Revised edition with additions, Hanoi 2007, 272 pages.
- The current state of language use among some ethnic minorities and the challenges facing language education in schools in Northern Vietnam.(co-authored), Education Publishing House, Hanoi, 2006, 216 pages.
- Advanced Vietnamese 2, Vietnam National University, Hanoi Publishing House, Hanoi 2009, 182 pages. Second edition, revised and supplemented), Vietnam National University, Hanoi Publishing House, 2016, 198 pages. (ISBN: :978-604-62-4178-2).
- Introduction to the Thai Language in Vietnam: Black Thai of the Northwest Region(co-authored), Vietnam National University Hanoi Publishing House, 2010, 370 pages. (ISBN: 978-604-62-0133-5).
- Basic Thai: Black Thai of the Northwest region, (co-authored), Vietnam National University Hanoi Publishing House, 2010, 494 pages. (ISBN: 978-604-62-0274-5).
- Practical Nung language grammar textbook.(co-authored), Vietnam National University Hanoi Publishing House, 2010, 331 pages (ISBN: 978-604-62-0315-5).
- The work "Dang Hanh and Ban Dai Hoi Tang S'hi Thenh Pien Taui" (A narrative poem of the Dao people in Thanh Hoa)(co-authored), Culture and Information Publishing House, Hanoi 2010, 189 pages (ISBN: 978-604-50-0002-1).
- Research on the preservation and development of the language and culture of some ethnic minorities in Northern Vietnam.(co-authored), Thai Nguyen University Publishing House, Thai Nguyen 2010, 767 pages.
- A few issuesDA comparative study of the history of the Viet-Muong language group.(A Historical - comparative study of Viet-Muong group),Vietnam National University, Hanoi Publishing House, 2011, 371 pages. (ISBN: 978-604-62-0471-8).
- Vietnamese history textbook, Vietnam Education Publishing House, Hanoi, 2011, 271 pages.
- Key issues in language policy and language education in ethnic minority areas of Vietnam.(Language policy and Education in Ethnic regions region of Vietnam),Vietnam National University, Hanoi Publishing House, 2011, 535 pages. (ISBN: 978-604-62-0481-7)
- Proverbs and idioms of the Thai Muong people in Tuong Duong, Nghe An(co-authored), Labor Publishing House, Hanoi 2012, 251 pages. (ISBN: 978-604-59-0070-3).
- Proverbs and idioms of the Thai Muong people,Volume II (co-authored), Culture and Information Publishing House, Hanoi 2013, 321 pages. (ISBN: 978-604-50-0399-2).
- The language families in VietnamVietnam National University, Hanoi Publishing House, 2015, 218 pages. (ISBN: 978-604-62-2781-6)
- Language of ethnic minorities in VietnamVietnam National University, Hanoi Publishing House, 2016, 294 pages. (ISBN: 978-604-62-4140-9).
- Laughter and folk songs of the Tay and Thai ethnic groups(co-authored), Vietnam National University Hanoi Publishing House, 2016, 287 pages. (ISBN: 978-604-62-3715-0).
- Proverbs and idioms of the Thai Muong people (in Tuong Duong, Nghe An) in bilingual Thai-Vietnamese, tVolume III,Theatre Publishing House, Hanoi 2016, 232 pages. (ISBN: 978-604-907-080-8).
- Bilingual Thai-Vietnamese folk tales of the Muong Thai people (in Tuong Duong, Nghe An).Volume II (co-authored with Vi Kham Mun), Theatre Publishing House, Hanoi, 2016, 232 pages. (ISBN: 978-604-907-079-2).
Chapter
- Chapter I: “Overview of the History and Typology of the Vietnamese Language”, pp. 5-30; Chapter II “Overview of Vietnamese Phonetics”, pp. 31-60 (in:Vietnamese language base,Education Publishing House, Hanoi, 1998; reprinted by Culture and Information Publishing House, 2000.
- Part I: “An Approach to the Problem of the Origin of the Vietnamese Language”, pp. 9-106 (in:Historical Vietnamese before the 20th century - Key issues, National University Publishing House, Hanoi 2015 (ISBN: 978-604-62-1731-2).
Article
- "Regarding the teaching of Vietnamese to students of the Viet-Muong ethnic group,"Problems with textbook language, Volume II, Education Publishing House, Hanoi, 1983, pp. 177-183.
- "Contributing to the division of Chứt dialects"Language Magazine, noMarch 1983, pp. 65-70.
- "The unity of the Chứt ethnic group through linguistic evidence"Ethnic InformationHue University and the Committee for Ethnic Minorities of Binh Tri Thien Province, noApril 1983, pp. 40-43.
- "Chứt language documents contribute to a better understanding of the changes in the middle stop consonants in Vietnamese."Language Magazine, noApril 1985, pp. 61-62.
- "Learn more about the origins of Vietnamese tones in words with a final sound."Vietnamese and other Southeast Asian languages, Social Sciences Publishing House, Hanoi, 1988, pp. 40-45.
- K voprocy on proicxozdenie tonov b clovax c conornuy fynalju vo vietnamckom jazùke (na materyale jazùkov grupppu viet - muong), Novoe and yzucheniy vietnamcko-go jazùka i drugix jugo voctochnoy aziy, Akademiy NAUK CCCP, Moscow 1989, p. 243-246 (Russian).
- "Comments on the tones in the Arem dialect"Science Journal, Hanoi University, noFebruary 1990, pp. 37-39.
- "On the process of tonal formation in several Vietnamese-Muong dialects/languages",Language Magazine, noJanuary 1991, pp. 67-72.
- "Regarding the pre-glottic initial sounds in the Vietnamese-Muong proto-proto-Muong language",Language Magazine, noFebruary 1991, pp. 29-31.
- "On some lexicological equivalents between the Nyah Kur (in Thailand) and the Viet - Muong languages (in Vietnam)", Pan - Asiatic II, Chulalongkorn Univ.Bangkok,Thailand, 1992, p. 665-672.
- "Does the Nguồn people in Minh Hoá district have a unique cultural identity?"Folk tales of the Nguồn people, National Culture Publishing House, Hanoi, 1993, pp. 5-9.
- "Could there be a totemistic way of naming PEOPLE in the ancient Vietnamese group?" (based on observations of nouns referring to people in the Viet-Muong languages)Journal of Folklore, no1 (45)/1994, pp. 08-12.
- "Folk cultural activities of the Ma Lieng people"Journal of Folklore, no2(54)/1996, pp. 58-60.
- Les initiales */s,z/ et */h/ du proto Viet - Muong (PVM) et leurs changements dans le Vietnamien, MagazineMon - Khmer Studies, Bangkok - Dallas, (25)1996, p. 263-268.
- "The constituent languages of the Viet-Muong group",Language Magazine, no3/1996, pp. 28-35.
- "The current situation and opinions on language education in the mountainous ethnic minority areas of Quang Binh province"Journal of University and Professional Education, noSeptember 1997, pp. 18-21.
- "Information about three documents by Phan Bo Chau recently discovered in France"Phan Boi Chau - the man and his career, University of Social Sciences and Humanities, Hanoi, 1997, pp. 355-363.
- "Could there be a different version of Phan Boi Chau's poem, 'Patriotism,' and 'Patriotic Song'?"Phan Boi Chau - the man and his career, University of Social Sciences and Humanities, Hanoi, 1997, pp. 364-370.
- "Introduction to the Lai Pao script of the Thai people of Tuong Duong (Nghe An)",Arts and Culture Magazine, noJuly 1997, pp. 90-93; Reprinted inThai culture and history in Vietnam, National Culture Publishing House, Hanoi, 1998, pp. 124-131; Reprinted in the MagazineSocial Sciences and Humanities - Indochina Studies Issue, Burpha University, Thailand, pp. 124-131 (in Thai).
- "Some observations on ancient Thai scripts in Vietnam"Proceedings of the 1998 International Conference on Vietnamese Studies, The Gioi Publishing House, Hanoi, 2001, pp. 265-275.
- "Introducing a Quy Chau Thai script text containing records related to the Can Vuong movement in the Northwest Nghe An region."Journal of Southeast Asian Studies, no1(40)/2000, pp. 62-67.
- "Regarding the place name Cua Lo",Journal of Folklore, no3(71)/2000, pp. 43-46.
- "Regarding some place names and proper names of Southern Island origin in the old Hanoi area,"Hanoi: Issues of Language and Culture, Culture and Information Publishing House, Hanoi, 2001, pp. 74-84.
- "Ancient Thai script in Tuong Duong (Nghe An) and newly discovered texts"Culture and Arts Magazine, noMay 2000, pp. 45-48.
- "Traditional culture and the teaching and learning of ethnic scripts among the Cham, Thai, Tay, and Nung ethnic groups: realities and recommendations"National Conference Proceedings"Cultural elements in foreign language teaching and learning, Vietnam Linguistics Association and Hanoi University of Foreign Languages, 2000, pp. 99-104.
- "Social characteristics of the history of the Vietnamese language",Magazine Culture and Arts, n09/2000, pp. 52-56.
- "To move towards automated machine translation between Vietnamese and foreign languages, and foreign languages and Vietnamese,"Language and Life Magazine, no2(52)/2000, pp. 28-33.
- "Vietnamese tone in Cua Lo (Nghe An)", 33rd ICSTLL Ramkhamheng Univ. Bangkok, October 2000, pp. 28-31; "Vietnamese tones in Cua Lo (Nghe An)",Language Magazine, no05 (152) 4/2002, pp. 38-40.
- "Some observations on language education for ethnic minority groups in mountainous regions of Vietnam over the past 55 years"Conference Proceedings"Commemorating the 55th anniversary of the August Revolution and Military Region 2/9, Vietnam National University Hanoi Publishing House 2001, pp. 152-159.
- "Lai Pao script",Language Magazine, no05 (136) 5/2001, pp. 19-28.
- "A survey of the need for mother tongue education among several ethnic minority groups in some mountainous provinces of Northern Vietnam"Language Magazine, n011 (142) /2001, p. 31-37.
- "Thinking about preserving the traditional ancient Thai script in the Northwest region,"Preserving and promoting the cultural heritage of the ethnic groups in Northwest Vietnam., National Culture Publishing House, Hanoi, 2001, pp. 87-96.
- "Language education policy for ethnic minority areas and its role in the development of ethnic culture"Culture and Arts Magazine, no. 10 (208)/2001, pp. 03-7; reprinted with additions in "The practicality of the Party and State's language education policy for ethnic minority areas",Language and Life Magazine, no. 10/2001, pp. 38-42.
- "Traditional culture and the teaching and learning of ethnic scripts in Vietnam: The case of the Thai ethnic group"Culture and history of the ethnic groups in the Thai language group in Vietnam., Culture and Information Publishing House, Hanoi, 2002, pp. 838-841.
- "Some remarks on the history of Vietnamese dialect studies"Journal of Social Sciences and Humanities, Ho Chi Minh City National University, no. 20/2002, pp. 19-26; Reprinted inA Brief History of Vietnamese Linguistics, Volume I, Education Publishing House, Hanoi, 2005, pp. 323-331.
- "On the delineation of historical stages in the development of the Vietnamese language,"Language Magazine, n0 11 (186) /2004, p. 01-10.
- "Tay - Thai And Viet - Muong Cultural Contact in Vietnam: through the Analysis of Some Vocabulary Related to Water Paddy civilization", Papers of The IC THAI - DAI Cultural Studies, Yunnan ASS and Yunnan UN, China December 2004, p. 94-97.
- "Language and the issue of teaching mother tongues to the Thai, Hmong, and Muong ethnic groups - its contribution to the cultural development of ethnic groups in the Northwest region today".Culture of the ethnic groups in Northwest Vietnam - Current situation and challenges, National Political Publishing House, Hanoi, 2004, pp. 80-92.
- "Key geographical features of Southeast Asia relevant to the study of the history of the Vietnamese language"Proceedings of the Scientific Conference "Research and Training in Area Studies", 1/2005, Vietnam Institute of Studies and Development Sciences, pp. 2-9.
- "Some opinions on the issue of developing language education policies in ethnic minority areas of Vietnam"Proceedings of the international scientific conference "Science and Education Policy in Vietnam during the Renovation Period"Nha Trang, November 13-14, 2004, Labor and Social Affairs Publishing House, March 2005, pp. 93-97.
- "Thinking about the direction of further research into the place name Co Loa (through the explanation of this place name by Professor Dao Duy Anh)", Proceedings of the scientific conferenceLinguistic problems, University of Social Sciences and Humanities, Vietnam National University Hanoi Publishing House, 2007, pp. 99-06.
- "Some observations on the Sino-Vietnamese adaptation of Vietnamese place names and village names: the case of the place name Co Loa".Scientific conference "Problems in Linguistics",University of Social Sciences and Humanities, December 2005; reprinted: "Three articles about the place name Co Loa", in20 years of interdisciplinary Vietnamese studies., World Publishing House, Hanoi, 2008, pp. 196-219.
- "Continue exploring the origin and meaning of the place name Co Loa (through Professor Dao Duy Anh's explanation of this place name)".Language Magazine, 11 (198)/2005, pp. 21-27; Reprinted: “Three articles about the place name Co Loa”, in20 years of interdisciplinary Vietnamese studies.(World Publishing House, Hanoi, 2008, pp. 196-219).
- "Reflections on how to organize bilingual education in schools in the Tay-Nung language area of Northern Vietnam"Proceedings of the scientific conference "Problems in Linguistics", Vietnam National University, Hanoi Publishing House, 2006, pp. 211-224.
- "Vietnam's Critical Ethnic Language Status: Current Response and Language Policy for the Crisis".Guangxi Journal of Ethnic Studies, No. 1/2006, pp. 141-146 (in Chinese).
- "Attempt to explain the phenomenon of having five tones in some Vietnamese dialects."Language Magazine, 8 (207)/2006, pp. 13-21.
- "Socioeconomic context and language usage attitudes: the case of some mountainous ethnic minorities in Northern Vietnam"International workshop "Rural areas in transition",University of Social Sciences and Humanities, Hanoi, 2006; reprinted inKey issues in language policy and language education in ethnic minority areas of Vietnam.(Language policy and Education in Ethnic regions region of Vietnam),Vietnam National University, Hanoi Publishing House, 2011, pp. 435-443.
- "The main contributions of F. de Saussure to comparative-historical linguistics in the 20th century," JournalLanguage, 11 (210)/2006, pp. 1-5.
- "Phonetic characteristics and the teaching of tones in Vietnamese",International workshop "I Don't Understand"University of Maryland, USA, April 1-3, 2007.
- "Language education policies for ethnic minorities in Vietnam: Lessons in social stability for development in an ASEAN country"International conference "ASEAN: 40 Years of Reflection and Future Directions"University of Social Sciences and Humanities, Hanoi, 2007; Reprinted inKey issues in language policy and language education in ethnic minority areas of Vietnam.(Language policy and Education in Ethnic regions region of Vietnam),Vietnam National University, Hanoi Publishing House, 2011, pp. 444-449.
- "Some practical experiences in teaching Chinese-derived vocabulary to Chinese students learning Vietnamese"Proceedings of the conference "Teaching and Researching Vietnamese and Chinese Language and Culture",Guangxi Nationalities University, Nanning, 2007, pp. 27-31.
- "论 越 南 少 数 民 族 地 区 语 言 教 育 中 的 语 言 选 择 问 题" (Language choice in receiving language education in some ethnic minorities of Vietnam/LANGUAGE SELECTION IN THE RECEPTION OF LANGUAGE EDUCATION AMONG SOME ETHNIC MINORITIES IN VIETNAM), ICMLWS November 2007 at Central University for Nationalities, Beijing, China; reprinted inKey issues in language policy and language education in ethnic minority areas of Vietnam.(Language policy and Education in Ethnic regions region of Vietnam),Vietnam National University, Hanoi Publishing House, 2011, pp. 450-455.
- "On the relationship between Austroasiatic and Austronesian languages in Southeast Asia"International Conference Proceedings"On the Mon-Khmer inhabitants of Vietnam and Southeast Asia: Language and Culture", Faculty of Social Sciences and Humanities, Vietnam National University, Hanoi, Hanoi 2008, pp. 11-18; printed inJournal of Social Sciences and Humanities, Vietnam National University, Hanoi, Vol. 25, No. 3, 2009, pp. 121-126.
- "The problem of language choice in language education reception among some ethnic minorities in Vietnam"Language Magazine11(234)-2008, pp. 10-13.
- "The name of the Red River: an evidence of cultural diversity in Vietnam history."3rd International Conference on Vietnamese Studies(The third ICVS-2008).. Printed inThe language and culture of Thang Long - Hanoi over 1000 years.Information and Communications Publishing House, Hanoi, 2010, pp. 62-76.
- "On some characteristics of bilingual education policy planning in ethnic minority areas of Vietnam"International seminar "Exchanging experiences in training, research and policy planning in the era of integration", Hanoi University of Social Sciences and Humanities - Rosa Luxemburg Foundation (Federal Republic of Germany), 2008; reprinted inKey issues in language policy and language education in ethnic minority areas of Vietnam.(Language policy and Education in Ethnic regions region of Vietnam),Vietnam National University, Hanoi Publishing House, 2011, pp. 466-476.
- "On some characteristics of bilingual education activities in ethnic minority areas of Vietnam"Language & Life Magazine, 12 (158)/2008, pp. 28-32.
- "Preliminary observations on the distribution of traditional scripts of several Tai-Kadai languages in Vietnam," International ConferenceThe First International Symposium on Kam - Tai languagesGuangxi University for Minorities, Nanning, China, 2008; in print.Place names and historical-cultural issues of the Tay-Thai language group ethnic groups in Vietnam., World Publishing House, Hanoi, 2009, pp. 271-284.
- "Further Analysis of Lexical Equivalence Between Vietnamese and Thai Languages" (Further Analysis of Lexical Equivalence Between Vietnamese and Thai Languages)International conference "Humanity, Development and Cultural Diversity", the 16thWorld Congress of IUAES, Yunnan University, Kunming, Yunnan, China, 2009, 8 A4 pages.
- "Exchanging views on 'triple vowels' in Vietnamese language textbooks outside Vietnam," Proceedings of the International Conference"Research and teaching of Vietnamese and Chinese languages and cultures in East Asia and Southeast Asia"2009 in Hanoi, Vietnam National University Hanoi Publishing House, pp. 149-155.
- "Regarding the historical origins of the current nasal consonant sequence [m,n, ɲ, ŋ] in Vietnamese,"Language Magazine, November issue (246)/2009, pp. 1-11.
- "An attempt to analyze the shortcomings in bilingual education policies in ethnic minority areas of Vietnam."National Linguistics Conference "Policies of the Vietnamese Party and State on Language in the Period of Industrialization, Modernization and International Integration"Institute of Linguistics, Hanoi, 2009; printed inKey issues in language policy and language education in ethnic minority areas of Vietnam.(Language policy and Education in Ethnic regions region of Vietnam),Vietnam National University, Hanoi Publishing House, 2011, pp. 477-483.
- "Try to find out how"Sino-Vietnamese translationProper nouns in Vietnamese folk tales:THE CASE STORY "THE LEGEND OF BETEL NUT AND ARECA NUT", Proceedings of the international conference "Interdisciplinary Research in Social Sciences and Humanities: Experiences and Prospects", Hanoi University of Social Sciences and Humanities, 2009, pp. 203-211; reprinted in the JournalLanguage, 11(258)/2010, pp. 1-8.
- "The tonal correspondence between ancient Sino-Vietnamese and Sino-Vietnamese words contributes to explaining the origin of Vietnamese tones."National Linguistics Conference 2010 "Linguistics and Languages in Vietnam", Vietnam National University, Hanoi Publishing House, Hanoi, 2010, pp. 51-59
- "Language education and sustainable development in ethnic minority areas of Vietnam: The case of Son La province".Proceedings of the international conference "Creating socio-economic activities to serve local development"(Colloque International “Création d'Activités Socio-Économiques au Service du Développement Local Durable), University of Social Sciences and Humanities-University of Toulouse le Mirail, Hanoi, 2010, pp. 42-54; reprinted inKey issues in language policy and language education in ethnic minority areas of Vietnam.(Language policy and Education in Ethnic regions region of Vietnam),Vietnam National University, Hanoi Publishing House, 2011, pp. 491-504.
- "Introducing the work written in Dao script, 'Dang Hanh and (Dai Hoi)' in Thanh Hoa (Vietnam)",National Conference Proceedings(China) about"Dao ethnic culture", Guangxi Nationalities University, China, Jinxi, Guangxi 2010, pp. 120-125; reprinted inDao ethnic culture,Nationalities Publishing House, Peking University, 2011, pp. 495-502 (ISBN: 978-7-81108-975-2).
- "The issue of mother tongue education for ethnic minorities in Vietnam: advantages and disadvantages", Proceedings “2010 IC on Vietnamese and Taiwanese Studies” National Cheng Kung University, Taiwan 2010, pp. 38-1 - 38-18.
- In the Shadow of Vietnamese as a National Language: The Position of Vietnamese Ethnic Minority Groups' Languages in their Bilingual Education, Symposium on The Universe of World Languages and Literatures, RIWL Osaka University, November 26/2010, Osaka Japan.
- "Language education policies for ethnic minority areas and the issue of sustainable development in Vietnam today"Proceedings of the international conference "Preserving and promoting national cultural identity for sustainable development"(IC “Ethnic-cultural identity conservation and promotion for sustainable development”, University of Social Sciences and Humanities, VNU - Bansomdejchaopraya Rajabhat University, Hanoi December 2010, pp. 236-244.
- "Vietnam's Minority Language Policy and its Value in Sustainable Regional Development", Proceedings of the International ConferenceThe contribution of social sciences and humanities to socio-economic development(Colloque international “Les apports des sciences humaines et sociales au développement socio - économique”, University of Social Sciences and Humanities, VNUButUniversité de Nantes, Hanoi, 2011, pp. 156-163.
- "Some issues concerning the geographical space of the history of the Vietnamese language"Journal of Lexicography & Encyclopedia, No. 3 (11) 5-2011, pp. 132-140. ISSN:1859-3135.
- "The concept of purely Vietnamese words and loanwords from the perspective of contemporary Vietnamese language history"Language Magazine, 11(270)-2011, pp. 8-15; reprinted in "Training and Research in Linguistics in Vietnam: Theoretical and Practical Issues, Vietnam National University, Hanoi Publishing House, 2011, pp. 987-996.
- "Language and Culture: An Etymological Analysis of Some Vietnamese Proverbs and Folk Sayings," Proceedings of the International ConferenceResearch and teaching of Vietnamese and Chinese language and culture.3rd edition, Guangxi Nationalities University, Nanning, China, 2011, pp. 398-404.
- "The relationship between language and culture: viewed from the perspective of language as a testament to culture"International Conference "Discourse, Knowledge and Culture",Da Nang University of Foreign Languages, 2011; printed inLanguage and cultural issues, Information and Communications Publishing House, Hanoi, 2012, pp. 307-316.
- "Some issues in the state management of heritage tourism development at the 'Ho Dynasty Citadel': a perspective from a traveler"National Conference Proceedings"Solutions to enhance the value of the Ho Dynasty Citadel World Heritage site.Thanh Hoa, 2012, pp. 102-106.
- "Prehistoric Languages and Cultures: The Case of the Dong Son Culture and the Thai-Kadai Family", CThe community of Tai-Kadai language family ethnic groups in Vietnam...World Publishing House 2012, pp. 337-346.
- "A Brief Overview of the Linguistic and Cultural Landscape of Ethnic Groups Across the Vietnam-China Border," International Scientific ConferenceCultural exchange among ethnic groups and sustainable tourism development in the Red River basin.Lao Cai, 2012; printed inJournal of JIAMUSI EDUCATION INSTITUTE- China 2013/10, pp. 53-54 (ISSN 1000-9795).
- "The name of Saint 'Dóng' and the 'Phù Đổng' festival: a historical and phonetic perspective of the Vietnamese language"4th Vietnam Studies Scientific Conference"Vietnam on the path to integration and sustainable development.Hanoi, 2012Language Magazine, No. 2(285)/2013, pp. 3-10.
- "The current state of writing y/i in some texts: causes and discussion of how to remedy it".Scientific workshop "Establishing unified spelling standards in schools and mass media",Ho Chi Minh City, 2012; printed inCurrent issues in Vietnamese spelling, Ho Chi Minh City Culture and Arts Publishing House, 2014, pp. 240-254 (ISBN: 978-604-68-1085-8).
- "Discussion on illiteracy and relapse into illiteracy: identification criteria in educational activities in Vietnam"Scientific conference"National Linguistics Competition 2013Hue University of Foreign Languages, April 26, 2013, 9 pages A4; printed inNational Linguistics Conference 2013: Learning and Research ForumVietnam Linguistics Association, Hanoi, 2013, pp. 42-46 (ISBN: 978-604-9800-41-2).
- "Further discussion on language standards and spelling standards in Vietnamese,"International scientific conference "The linguistics of Vietnam in the context of renovation and integration", Institute of Linguistics, Hanoi, 2013;Magazine Language, No. 11 (294)/2013, pp. 14-21.
- "The position of Nguyen Du's 'Truyen Kieu' in the development of the Vietnamese language"Seminar"The great poet Nguyen Du and the Hong Lam cultural space, Ha Tinh 2013; printed inNguyen Du approaches the topic from a cultural perspective., Vietnam National University, Hanoi Publishing House, 2014, pp. 323-332, ISBN: 978-604-934-505-0).
- "Arem-French/English-Vietnamese: A preliminary Lexicon" (Arem - French/English - Vietnamese: A basic vocabulary list)Fifth ICAL, The ANU at Canberra, September 4-5, 2013, 49 pp (together with M. Ferlus, France).
- "The History of the Vietnamese Language and the Interpretation of Certain Words in Folk Songs and Proverbs Today," Proceedings of the 2013 National Linguistics ConferenceLanguage and Literature, Hanoi University of Education, October 29, 2013, Hanoi University of Education Publishing House, Hanoi 2013, pp. 183-199 (ISBN: 978604540354-9).
- "Indigenous character - an important feature that makes the Dù Kê theater of the Southern Khmer people so attractive."Proceedings of the National Conference "Khmer Dù Kê Theatre Art of Southern Vietnam: A National Cultural Heritage", Steering Committee of the Southwest Region, Tra Vinh Province; Tra Vinh University, Tra Vinh, November 12, 2013, pp. 293-298;Science Journal, Tra Vinh University, No. 13, March 2014, pp. 58-63 (ISSN 1859-4816).
- "Records of the traditional medicine practices of the Dao ethnic group in Ba Vi commune, Ba Vi district, Hanoi"International Conference Proceedings"Dao ethnic group's ecological culture protection academic research association”, Guangxi Yao ethnic cultural protection association, China - Guangxi - Phu Xuyen, November 17-18, 2013, pp. 125-128 (Chinese translation); printed inJournalism at Guangxi Nationalities Normal UniversityIssue 4/2014 (Vol 31.N)o4) pp. 55-58 (ISSN 1674-8891).
- "The Sino-Vietnamese name of General Cao Lỗ"皐 魯The Au Lac period - An Duong Vuong era: from a historical phonetic perspective of the Vietnamese language.Proceedings of the 4th International Conference "Research and Teaching of Vietnamese and Chinese Languages and Cultures",Hanoi University of Social Sciences and Humanities 2013, Vietnam National University Hanoi Publishing House 2014, pp. 87-95 (ISBN: 978604621229-4).
- "The problem of illiteracy and relapse into illiteracy among ethnic minorities: The case of Muong Muon and Na Sang communes, Muong Cha district, Dien Bien province"4th International Conference on "Research and Teaching of Vietnamese and Chinese Language and Culture", Hanoi University of Social Sciences and Humanities, December 14, 2013, 9 pages A4,Language & Life Magazine, No. 5 (223) 2014, pp. 64-69.(ISSN 0868-3409).
- "Vietnamese-Thai equivalents through a published bilingual idiom collection"Proceedings of the national scientific conference "Languages and Literature of the Northwest Region", Hanoi University of Education Publishing House, Hanoi, 2014, pp. 35-41 (ISBN: 978604541560-3).
- "The problem of eradicating illiteracy among ethnic minorities: different characteristics among each ethnic group" (Based on data from Muong Cha and Dien Bien districts, Dien Bien province)Proceedings of the National Scientific Conference "Languages and Literature of the Northwest Region", Hanoi University of Education Publishing House, Hanoi, 2014, pp. 126-132 (ISBN: 978604541560-3).
- "The issue of literacy in ethnic minority areas - The case of the Thai people in Muong Ang and Dien Bien districts, Dien Bien province"Journal of Ethnic Studies, No. 6/6-2014, pp. 24-28 (ISSN 0866-773X).
- "Reflecting on the potential and challenges in the sustainable development of tourism in Thanh Hoa,"International Conference Proceedings"Thanh Hoa and its linkages for national and international tourism development", Thanh Hoa University of Culture, Sports and Tourism and MinSCAT University - Philippines, Thanh Hoa, 2014, pp. 135-143.
- "Regarding Liam Kelly's article 'About the Thai word and the place of the Thai people in Vietnamese history'"The Thai-Kadai community in Vietnam: Issues of sustainable development., World Publishing House, Hanoi 2015, pp. 59-65 (7th National Conference on Thai Studies of Vietnam, Lai Chau 2015), ISBN 9786047712670.
- "Regarding the issue of Sino-Vietnamese adaptation of place names in Vietnam"Conference proceedings"Place names in international integrationby the United Nations Group of Experts on Place Names (UNEGN ASE Division), Hanoi, 2015, pp. 44-49.
- "The issue of illiteracy and the quality of human resources in ethnic minority areas: a case study of Dien Bien province"Proceedings of the international conference "Economic and Cultural-Social Aspects of Ethnic Minorities in the Context of ASEAN Integration"Thai Nguyen University, 2015, pp. 370-377.
- "Further discussion on the issue of toponymy in Vietnam"Language Magazine, No. 04 (311)/2015, pp. 03-17.
- "Features of Sinitic Borrowings from Chinese in the History of Vietnamese (Viet-Muong)" (Viet-Muong (Features of Sinitic Borrowings through the History of Vietnamese (Viet-Muong)",Proceedings of the 8th EuroSEAS Conference, University of Vienna AUSTRIA August 2015, 12pp.
- "The phenomenon of initial sound stopization in the history of the Vietnamese language"International Conference "Vietnamese Linguistics: 30 Years of Innovation and Development"Institute of Linguistics,Hanoi, August 23, 2015Language Magazine, No. 5 (324)/2016, pp. 9-15.
- "Further comments on the correspondence between the vowel sounds *[U], *[O] with [ÂW/ĂW] and [AW] in the historical phonetics of the Vietnamese language,"Journal of Social Sciences and Humanities(Vietnam Social Sciences and Humanities), No. 1 (October 2015), p. 85-90 (ISSN 2354-1172).
- "The 'terraced rice' culture of the Ha Nhi people in Vietnam and China"Proceedings of the "5th Vietnam-China Red River Basin Social Development Forum", Honghe Academy, Yunnan, China, 2015, pp. 104-107.
- "Some research experiences on linguistic attitudes from China" (co-authored)International Conference "Vietnam and Southeast Asia in the Context of Globalization", University of Social Sciences and Humanities, Ho Chi Minh City - Phu Yen University. Tuy Hoa 2015. Printed inVietnam and Southeast Asia in the context of globalization, Ho Chi Minh City National University Publishing House, 2016, pp. 153-162 (ISBN: 978-604-73-4030-9).
- "Illiteracy and problems in human resources concerning ethnic minorities: results of the surveys in Dien Bien province",Language & Life Magazine, No. 4 (246).2016, pp. 01-08.
- "Correspondence between initial sounds in ancient Sino-Vietnamese words in Viet and Muong languages", Papers from the ICAG-3, 23-24 May 2016, Royal University of Phnom Penh, Cambodia, pp 19-27.
- "Musings on the place name 'Roòn River' in Quang Binh",Proceedings of the National Linguistics Conference"Preserving the purity of the Vietnamese language.2016, Dan Tri Publishing House, pp. 62-69. ISBN 978-604-88-28-43-1.
- "An Explanation of Names for Vietnam-China's Cross-Border Ethnic Groups", Journal of Baise University, No.1 Vol.29 Nvo.2016, pp 68-72 (ISSN 1673-8233).
- "The word 'near' in Vietnamese is not of Chinese origin" (Jìn/cận).Language Magazine, No. 9 (328)/2016, pp. 3-15.
- "The benefits of analyzing the vocabulary in the 'Mo Muong' of the Muong people in Hoa Binh"International Conference Proceedings"Linguistics Research and Teaching: Theoretical and Practical IssuesFaculty of Social Sciences and Humanities - Vietnam National University, Hanoi 2016, Vietnam National University, Hanoi Publishing House, 2016, pp. 546-552.
- "Continuing the discussion on L. Kelley's article 'Thai words and the position of the Thai people in Vietnamese history'"Language Magazine, number 3 (334)/2017, pp. 3-14.
- "Further discussion on the etymology of the element "lạc (luò 雒/駱)" in the compound "lạc việt (luòyuè 雒越)"International Conference"2nd China-ASEAN Ethnic Culture Conference(The 2nd Chia-ASEAN Ethnic Cultural Forum) 2017 in Guangxi, China and the International Workshop "Modern linguistic trends and language research in Vietnam(Modern Linguistic Trends and Language Studies in Vietnam)” published by the Institute of Linguistics (Vietnam Academy of Social Sciences) 2017 in Hanoi; printed inJournal of Museums & Anthropology, No. 2 (18)/2017, pp. 41-53 (ISSN: 0866-7616)
- "Discussion on the role of Thai-Kadai-speaking inhabitants in prehistoric Vietnamese history"Promoting the role and identity of the Thai-Kadai ethnic communities in integration and sustainable development.(8th National Conference on Thai Studies, Nghe An 2017), The Gioi Publishing House 2017, pp. 46-62, ISBN 978-604-77-3499-3.
- "Research on the Needs and Roles of Vietnamese Education in Ethnic Minorities Regions" (NUK - National Kaohsiung University)Journal of Humanities, Volume 2, June 2017, p 97-115 (ISSN:2518-069X).
III. Science and Technology Projects at all levels
- Research on the Viet-Muong language group(Principal investigator), University-level research project, Hanoi University, code T93-03, 1994.
- Studying socio-ecological conditions as a basis for the settlement of the Arem ethnic group in Quang Binh.(Principal Investigator), Quang Binh Provincial-level Project, 1997.
- The current state of language education in ethnic minority mountainous regions of some provinces in Vietnam.(Principal Investigator), National University-level research project, QX 96-01, 1998.
- The current state of language education in ethnic minority mountainous regions of three northern provinces of Vietnam.(Principal Investigator), Key Project of Vietnam National University, Hanoi, QG.TĐ 00-03, 2002.
- The historical issue of Vietnamese tones(Principal Investigator), VNU-funded research project, QX 04-04, 2006.
- A study of some comparative historical issues of the Viet-Muong language group.(Principal Investigator), Special Research Project at Vietnam National University, QG.07.30, 2009.
- A study on illiteracy and relapse into illiteracy among ethnic minority communities: the case of Dien Bien province.(Principal investigator), Project “Group A VNU Hanoi”, QG.12.09 (2012-2014), 2014.
- Southwestern Border Region(Participation), Special State-level Project, KX 94-08 BGTN, Hanoi University of Science and Technology, chaired by Hanoi University.
- This study provides a comprehensive analysis of the socio-economic situation and socio-ecological conditions of the Bru-Van Kieu ethnic group and proposes solutions for their sustainable development.(Participation), Ministry-level project, code VNRP-0, Faculty of Social Sciences and Humanities, Vietnam National University, Hanoi, 1998.
- Comprehensive assessment of resources, natural conditions, environment, and socio-economic factors to guide sustainable development in the western border region from Thanh Hoa to Kon Tum.(Participation), State-level independent research project, chaired by Hanoi University of Science, 2004.
- Research on the preservation and development of the language and culture of some ethnic minorities in Northern Vietnam.(Participation), State-level Independent Research Project, Thai Nguyen University (chaired), Project Code 2004/27, 2007.
- Southern Vietnamese from the late 19th century to 1945:Vocabulary problems(Participant), National University of Ho Chi Minh City 2008-2010 Project, Code B2008-18b-05 TD, 2012.
- Vietnamese Before the 20th Century: Fundamental Issues(Participant), National University of Hanoi Project, Code: QGTĐ 09.14, 2011.
- Research assessing natural conditions and geological landscapes to support sustainable tourism development planning in Hanoi.(Participant), VNU Hanoi Project 2011-2013, code numberQGTĐ.11.05, 2013.
- Researching the natural and cultural heritage of the Ba Vi - Son Tay region, Hanoi, with the aim of establishing a geopark to serve sustainable tourism development.(Participant), Hanoi City Project 2014-2015, code: 01C-04/11-2014-2, 2016.
IV. Awards, scholarship
- Annual Encouragement Award for Scientific Research ProjectsAncient stories of the Nguồn peopleof the Vietnam Folk Arts Association, 1993.
- Annual Encouragement Award for Scientific Research ProjectsWill the Arem, Ruc, and Ma Lieng ethnic groups in Quang Binh disappear?of the Vietnam Folk Arts Association, 1996.
- Third Prize B in the annual scientific research competition for the projectLanguage and the development of traditional culture of ethnic minorities in Vietnam.of the Vietnam Folk Arts Association, 1998.
- Second Prize B in the annual scientific research competition for the projectRegarding the works of Dang Hanh and Ban Dai Hoi of the Dao people in Thanh Hoaof the Vietnam Folk Arts Association, 2008.
- Second Prize B in the annual scientific research competition for the projectProverbs and idioms of the Thai Muong people(In Tuong Duong, Nghe An - bilingual) by the Vietnam Folk Arts Association, 2010.
- Second prize in the annual scientific research competition for the project.Proverbs and Idioms of the Thai Muong People, Volume II(In Tuong Duong, Nghe An - bilingual) by the Vietnam Folk Arts Association, 2011.
- Third Prize A in the annual scientific research competition for the projectFolk tales of the Thai Muong people(in Tuong Duong, Nghe An - bilingual) of the Vietnam Folk Arts Association, 2012.
- Second Prize B in the annual scientific research competition for the projectProverbs and Idioms of the Thai Muong People, Volume III(in Tuong Duong, Nghe An - bilingual) of the Vietnam Folk Arts Association, 2012.
- Third Prize A in the annual scientific research competition for the projectFolk Tales of the Thai Muong People, Volume II(in Tuong Duong, Nghe An)But(bilingual) of the Vietnam Folk Arts Association, 2013.
- Third Prize B in the annual scientific research competition for the projectFolk jokes of the Thai Muong people(in Tuong Duong, Nghe An - bilingual) of the Vietnam Folk Arts Association, 2014.
- Third Prize B in the annual scientific research competition for the projectThai Muong folk songs(in Tuong Duong, Nghe An - bilingual) of the Vietnam Folk Arts Association, 2015.