Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
hanh doanh » hang doanh, chinh doanh, doanh doanh
nhung song » nhung cong, nhung bong, nhung chong
doanh cua » doanh luan
cua nhung » va nhung
song van » hoang van, trong van, duong van
van toan » van tuan, van tan, van thanh
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chiet tach) or (chieu sach)) - hanh doanh cua nhung song van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chiet tach) OR (chieu sach)) - hanh doanh cua nhung song van toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((chiet tach) or (chieu sach)) - hanh doanh cua nhung song van toan ban*.