1996 - 2005
Lecturer, Hanoi National University of Education
2005 - 2012
Vice Dean, Hanoi National University of Education
2012 - 2016
Invited Professor, National ChiaoTung University, Hsinchu City, Taiwan
2012 -
Dean, Hanoi National University of Education
1998/3 - 1998/8
Researcher, PIDC, Hshinchu, Taiwan
2004/3 - 2004/8
Researcher, ITRC, Hsinchu, Taiwan
2007/3 - 2007/9
Post Doc, Ewha Womans University , Korea
2009/3 - 2009/6
Invited Proffessor, Ewha Womans University, Korea
2000/5 - 2000/11
Researcher, PIDC, Hsinchu, Taiwan
2000/11 - 2005/10
Lecturer, Vietnam Hanoi National University of Education
2005/10 - Now
Lecturer, vice Dean, Hanoi National University of Education
3 - 9/2007
Post-Doctor, Ewha Womans University, Korea
3 - 6/2009
Post-Doctor, Visiting Researcher, Korea
2009 - 2012
Ass. Prof., Lecturer, Vice dean.,Hanoi National University of Education
2012 - 2022
Prof., Lecturer,Dean., Hanoi National University of Education
2022 - 2024
Prof., Lecturer,Head, Hanoi National University of Education
2024 - now
Prof., Lecturer,Director, Hanoi National University of Education
2015 - 2025
Visiting Professor, National Yang Ming ChiaoTung University, Hsinchu City, Taiwan