Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
truong cao » truong dai
doi chieu » doc hieu, doi chi, ho chieu
trung cua » truong cua, trung tuan, trung cap
nhung bo » nhung bi, nhung bai, nhung don
dan than » dan chan, ban than, van than
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: doi chieu sach - thanh ((trung cua) or (truong cao)) ((nhung bo) or (thong thong)) dan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh ((trung cua) OR (truong cao)) ((nhung bo) OR (thong thong)) dan than cap.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh ((trung cua) or (truong cao)) ((nhung bo) or (thong thong)) dan than cap*.