Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
truong cao » truong dai
nhung cong » dung cong, thong cong, hang cong
trung cap » trung tam
ban than » ban thanh, van thanh, ban hang
van chat » cao chat

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

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