Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
sang sach » mang sach, ban sach, sang tac
sinh san » trinh san, sinh vat, sinh va
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((sang sach) or (sinh san)) - anh tang cua nhung cong ban than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((sang sach) OR (sinh san)) - anh tang cua nhung cong ban than cap.
• Adding a wildcard symbol may retrieve word variants: hoc ((sang sach) or (sinh san)) - anh tang cua nhung cong ban than cap*.