Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
trung cap » truong cao, trung tam
cap khong » cat khong, chap phong, va khong
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
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 cap khong ((cong dan) or (cong tan)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh trung cap khong ((cong dan) OR (cong tan)) than cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh trung cap khong ((cong dan) or (cong tan)) than cau*.