Perhaps you should try some spelling variations:
chiet tach » chieu sach
thanh tung » thanh cong
bang cong » dang cong, bang song, hang cong
ho chiet » ho chieu, ho thiet, hoc thiet
cua bang » chua bang, cua ban, cua dang
cong san » cong tac
san chan » san chang, dan chan, san chay
chan cap » khan cap, than cap, cao cap

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 san chan 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 san chan cap.
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - ((thanh trung) or (thanh tung)) cua bang cong san chan cap*.