Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh luan » doanh nhan
thanh phan » thanh pho, thanh san, thanh toan
doi chieu » doc hieu, doi chi, mot chieu
luan cong » luat cong, luong cong, luan chung
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 - hanh doanh luan cong ((cong dan) or (cong dong)) thanh phan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - hanh doanh luan cong ((cong dan) OR (cong dong)) thanh phan*.