2007–Present Researcher at the Institute of Sino-Nôm, Vietnamese Academy of Social Sciences, Hanoi, Vietnam

2007–2010 Doctoral course (Dissertation: The Structure and Development of Nôm Script from the 12th Century to the 20th Century)

2004–2007 Lecturer, Hanoi University of Văn Hóa (Culture), Hanoi, Vietnam

2002–2005 Master of Arts in Nôm Studies and Historical Vietnamese Language, Hanoi National University, Vietnam

2010 Wordless: Zenei Gang of Five, calligraphy exhibition with Zenei members Pham Van Tuan, Nguyen Duc Dung, Nguyen Quang Thang, and Le Quoc Viet, Art Vietnam Gallery, Hanoi, Vietnam

2009 The Spring (with Nguyen Van Thanh, Nguyen Quang Thang, Pham Van Tuan), Institute of Sino-Nôm Studies, Hanoi, Vietnam

2008 Oscilloscope (with Le Quoc Viet, Vu Kim Thu), L’Espace, Hanoi, Vietnam

2008 Dance of the Script, Maison des Arts, Hanoi, Vietnam

2007 The Script, Zenei Gang of Five Calligraphy with Le Quoc Viet, Pham Van Tuan, Nguyen Duc Dzung, Nguyen Quang Thang, Studio Tho, Hanoi, Vietnam

2007 The Autumn Floral Spirit – Five Styles of Nôm Script, Temple of Kongfuzi and Ancient Thang Long Citadel, Hanoi, Vietnam

2006 Twenty-Eight Stars, Temple of Kongfuzi, Hanoi, Vietnam

2003 Thang Long Citadel, Hanoi Library, Hanoi, Vietnam

2003 Hue and Calligraphy, Duyet Thi Duong, Hue, Vietnam

2001 The Respectful National Culture in Spring, Temple of Literature, Hanoi, Vietnam