Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
canh doanh » hanh doanh, chinh doanh, doanh doanh
doanh chua » doanh cua, doanh chu, doanh chung
thanh phan » thanh pho, thanh san, thanh toan
doi chieu » doc hieu, doi chi, mot chieu
chua dong » cua dong, ha dong, huy dong
cong dan » cong san, cong tan, huong dan

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 - canh doanh chua dong ((cong dan) or (cong dong)) thanh phan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - canh doanh chua dong ((cong dan) OR (cong dong)) thanh phan*.