Perhaps you should try some spelling variations:
chiet tach » chieu sach
truong cao » truong dai
nhung cong » dung cong, thong cong, hang cong
doi chiet » doi chieu, doi chi, doi viet
cong dan » cong san, cong tan, huong dan
than cap » khan cap, thanh lap, thanh cac
phan cau » phan dau, phan cac, phan tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi chiet tach - thanh ((trung tam) or (truong cao)) nhung cong dan ((than cap) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chiet tach - thanh ((trung tam) OR (truong cao)) nhung cong dan ((than cap) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: doi chiet tach - thanh ((trung tam) or (truong cao)) nhung cong dan ((than cap) or (phan cau))*.