Perhaps you should try some spelling variations:
thanh hung » thanh huong, thanh tung, thanh trung
theo chu » theo chieu, cho chu, chao chu
chu sach » cau sach, thu sach, chieu sach
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
than cao » toan cao, thai cao, than cap
hung va » huong va, hung van, hang va

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu sach - thanh hung va nhung ((cong dan) or (cong tan)) than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu sach - thanh hung va nhung ((cong dan) OR (cong tan)) than cao.
• Adding a wildcard symbol may retrieve word variants: theo chu sach - thanh hung va nhung ((cong dan) or (cong tan)) than cao*.