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

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 cong cong ((thanh tran) or (thanh toan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu hach - hanh dang van cong cong ((thanh tran) OR (thanh toan)) ban*.