Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
canh doanh » hanh doanh, chinh doanh, doanh doanh
doanh qua » doanh quan, doanh cua, danh qua
cong lang » cong vang, cong luong, cong quang
ho chieu » theo chieu, hoc thieu, mot chieu
qua dung » quang dung, su dung, qua song
cong van » cong vang, cong san, song van

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 - canh doanh qua dung ((cong van) or (cong lang)) danh cho~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - canh doanh qua dung ((cong van) OR (cong lang)) danh cho*.