Perhaps you should try some spelling variations:
thieu hach » thien hach, chieu sach, hieu cach
thanh tran » thanh trang, thanh toan, thanh tra
hoc thieu » toc thieu, hoc hien
hanh dang » hanh dong, anh dang, hanh dung
tong cong » trong cong, cong cong, dung cong
thanh hoa » thanh pho
dang van » hoang van, hang va
van tong » van thong, van trong, van tuong

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu hach - hanh dang van tong cong ((thanh tran) or (thanh hoa)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu hach - hanh dang van tong cong ((thanh tran) OR (thanh hoa)) ban*.