Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
ho chieu » theo chieu, hoc thieu, doi chieu
trung ha » trung hoc, trung tam, trung cap
ha nhung » hoa nhung, hay nhung, pha nhung
cong dan » cong tan, huong dan, cong dong
cong tac » cong ty
than cau » toan cau, phan cau, than cap

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 - thanh trung ha nhung ((((cong dan) or (cong san))) or (cong tac)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh trung ha nhung ((((cong dan) OR (cong san))) OR (cong tac)) than cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh trung ha nhung ((((cong dan) or (cong san))) or (cong tac)) than cau*.