Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
dung cong » dung trong
sinh san » trinh san, sinh vat, sinh va
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan
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 san - anh tang cua ((nhung cong) or (dung cong)) ban than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sinh san - anh tang cua ((nhung cong) OR (dung cong)) ban than cap.
• Adding a wildcard symbol may retrieve word variants: hoc sinh san - anh tang cua ((nhung cong) or (dung cong)) ban than cap*.