Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
doanh doan » doanh doanh, doanh hoan, doanh nhan
doan phan » doanh phan, toan phan, dan phan
ho chieu » theo chieu, hoc thieu, doi chieu
cua dung » cua dang, qua dung, cua rung
cua dong » chua dong, cua cong, cua dang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - cach mang ((cua dung) or (cua dong)) doanh doan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - cach mang ((cua dung) OR (cua dong)) doanh doan phan tu.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - cach mang ((cua dung) or (cua dong)) doanh doan phan tu*.