Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trung tuan » trung thanh, trung tam, tran tuan
trung cap » truong cao, trung tam
ho chieu » theo chieu, hoc thieu, doi chieu
cong ban » cong bang, cong san, cong dan
cong tan » cong tac, cong san, cong thanh
than cap » khan cap, thanh lap, thanh cac

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) or (trung tuan)) nhung ((cong ban) OR (cong tan)) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((trung cap) OR (trung tuan)) nhung ((cong ban) OR (cong tan)) than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh ((trung cap) or (trung tuan)) nhung ((cong ban) OR (cong tan)) than cap".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((trung cap) or (trung tuan)) nhung ((cong ban) OR (cong tan)) than cap*.