Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
thanh dung » thanh duong, thanh tung, thanh hung
dong thanh » truong thanh
cho bang » cao bang, cho hang, cho ban
cong tan » cong tac, cong san, cong thanh
toan cau » toan ban, toan tap, toan tai
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: theo chieu sach - thanh dung cho bang ((cong tan) or (dong thanh)) ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - thanh dung cho bang ((cong tan) OR (dong thanh)) ((toan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - thanh dung cho bang ((cong tan) or (dong thanh)) ((toan cau) or (toan cao))*.