Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh dung » thanh dung, anh dung, hanh dong
luan dung » lan dung, luan dong, luan hung
dung cong » dung trong
cong dan » cong san, cong tan, huong dan
than cao » toan cao, thai cao, than cap
thanh ca » thanh cha, thanh cac, thanh ha

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sach) or (trieu tinh)) - hanh dung luan dung cong dan ((than cao) or (thanh ca))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (trieu tinh)) - hanh dung luan dung cong dan ((than cao) OR (thanh ca)).
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (trieu tinh)) - hanh dung luan dung cong dan ((than cao) or (thanh ca))*.