Perhaps you should try some spelling variations:
chiet tach » chieu sach
tranh cai » tranh cac, trinh cai, tranh chap
cai tuong » dai tuong, tai tuong, cac tuong
ho chiet » ho chieu, ho thiet, hoc thiet
cong dan » cong san, cong tan, huong dan
cong tac » cong ty
toan cao » toan ban, toan tap

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 cai tuong ((cong dan) or (cong tac)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - canh tranh cai tuong ((cong dan) OR (cong tac)) toan cao*.