Perhaps you should try some spelling variations:
thanh tran » thanh trang, thanh toan, thanh tra
duong cong » dung cong, luong cong, duong trong
van duong » van dong, van dung, van phong
doc hieu » hoc thieu, hoc hien
tran van » luan van
cong tac » cong ty
tac danh » sach danh, cac doanh, cac dan
danh cap » danh ca, danh cau, hanh cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (toc thieu)) manh - thanh tran van duong cong tac danh cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (toc thieu)) manh - thanh tran van duong cong tac danh cap*.