Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
sinh sach » chinh sach, sinh san, sang sach
van nhung » van nhuong, va nhung, van hung
ban thanh » ban hanh, ban hang
thanh cap » thanh lap, hanh cap, than cap
anh tang » anh bang, anh dang, anh nang
tang van » dang van, hoang van, trong van
cong ban » cong bang, cong san, cong tan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sinh sach - anh tang van nhung cong ban thanh cap~.
• Adding a wildcard symbol may retrieve word variants: hoc sinh sach - anh tang van nhung cong ban thanh cap*.