Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
hung thang » cang thang, hung tran
thang cua » thong cua, hang cua, than cua
hang cong » dang cong, hang nong, thanh cong
bang cong » dang cong, bang song, dung cong
hieu cac » hieu luc, hieu va, hieu van
dan than » dan chan, ban than, van than
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: toc ((thieu sach) or (hieu cac)) - hung thang cua ((hang cong) or (bang cong)) dan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thieu sach) OR (hieu cac)) - hung thang cua ((hang cong) OR (bang cong)) dan than cap.
• Adding a wildcard symbol may retrieve word variants: toc ((thieu sach) or (hieu cac)) - hung thang cua ((hang cong) or (bang cong)) dan than cap*.