Perhaps you should try some spelling variations:
chiet tach » chieu sach
tranh van » tran van, trinh van, tranh ban
thanh van » thanh san, thanh toan, thanh phan
ho chiet » ho chieu, ho thiet, hoc thiet
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan ban » van ban

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 - canh ((tranh van) OR (thanh van)) hung ((cong dan) or (cong tan)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - canh ((tranh van) OR (thanh van)) hung ((cong dan) OR (cong tan)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - canh ((tranh van) OR (thanh van)) hung ((cong dan) or (cong tan)) toan ban".
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - canh ((tranh van) OR (thanh van)) hung ((cong dan) or (cong tan)) toan ban*.