Perhaps you should try some spelling variations:
hoc thieu » hoc hien
hanh dung » thanh dung, anh dung, hanh dong
dung phan » dung nhan, dung luan, dung ha
phan dang » phan dau, phan cong, nhan dan
dang cong » dung cong
cong luan » tong luan, cong tuan, dong luan
van tan » van tuan, van ban, van tai

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc thieu) or (hoc thieu)) tach - hanh dung phan dang cong luan van tan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc thieu) OR (hoc thieu)) tach - hanh dung phan dang cong luan van tan.
• Adding a wildcard symbol may retrieve word variants: ((toc thieu) or (hoc thieu)) tach - hanh dung phan dang cong luan van tan*.