Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh phan » thanh pho, thanh san, thanh hai
thanh toan » thanh hoa, thanh san, tinh toan
doi chieu » doc hieu, doi chi, mot chieu
dung cong » dung trong
cong tan » cong tac, cong san, cong thanh
tan anh » tuan anh, tran anh, toan anh
anh van » anh va, thanh van, doanh van

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

• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - canh ((thanh phan) OR (thanh toan)) dung cong tan anh van~.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - canh ((thanh phan) or (thanh toan)) dung cong tan anh van*.