Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
thanh hung » thanh huong, thanh tung, thanh trung
hang cong » dang cong, hang nong, bang cong
cong dan » cong san, cong tan, huong dan
toan cao » toan tap
toan ban » van ban
hung va » huong va, hung van, hang va
va hang » van hang, va nang, va lang

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 (chieu tinh)) - thanh hung va hang cong dan ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chieu tinh)) - thanh hung va hang cong dan ((toan cao) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chieu tinh)) - thanh hung va hang cong dan ((toan cao) or (toan ban))*.