Perhaps you should try some spelling variations:
chiet tach » chieu sach
thanh tung » thanh cong
bang cong » dang cong, bang song, dung cong
hang cong » dang cong, hang nong, thanh cong
ho chiet » ho chieu, ho thiet, hoc thiet
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: ho chiet tach - ((thanh trung) or (thanh tung)) cua ((bang cong) or (hang cong)) dan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - ((thanh trung) OR (thanh tung)) cua ((bang cong) OR (hang cong)) dan than cap.
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - ((thanh trung) or (thanh tung)) cua ((bang cong) or (hang cong)) dan than cap*.