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 cap » trung tam
dung cong » dung trong
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan cau » toan cao, toan ban, toan tap

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 cap) or (truong cao)) dung cong san toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh ((trung cap) OR (truong cao)) dung cong san toan cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh ((trung cap) or (truong cao)) dung cong san toan cau*.