Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
truong cao » truong dai
trung cua » truong cua, trung tuan, trung cap
cong bang » cuong bang, dong bang, hong bang
ho chieu » theo chieu, hoc thieu, doi chieu
cong ban » cong san, cong tan, cong dan
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 cua) or (truong cao)) nhung ((cong ban) OR (cong bang)) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((trung cua) OR (truong cao)) nhung ((cong ban) OR (cong bang)) than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh ((trung cua) or (truong cao)) nhung ((cong ban) OR (cong bang)) than cap".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((trung cua) or (truong cao)) nhung ((cong ban) OR (cong bang)) than cap*.