Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
sinh sach » chinh sach, sang sach, sinh danh
cua nhung » va nhung
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 ((sinh sach) OR (sinh san)) - anh tang cua nhung cong ban than cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((sinh sach) OR (sinh san)) - anh tang cua nhung cong ban than cap".
• Adding a wildcard symbol may retrieve word variants: hoc ((sinh sach) OR (sinh san)) - anh tang cua nhung cong ban than cap*.