Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh doanh » hang doanh, chinh doanh, doanh doanh
doi chieu » doc hieu, doi chi, ho chieu
doanh cua » doanh luan
dung cong » dung trong
trong van » trong cac
cua dung » cua dang, cua dong, qua dung
tan van » tran van, tang van, luan van

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 cua dung cong ((tan van) or (trong van)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - hanh doanh cua dung cong ((tan van) OR (trong van)) ban.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hanh doanh cua dung cong ((tan van) or (trong van)) ban*.