Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
hanh doanh » hang doanh, chinh doanh, doanh doanh
nhan nhung » nhien nhung, gian nhung, nhan nhanh
tham nhung » thi nhung
cong san » cong tac
san toan » van toan, dan toan, manh toan
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: ho ((chieu sach) or (chinh sach)) - hanh doanh ((nhan nhung) OR (tham nhung)) cong san toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chinh sach)) - hanh doanh ((nhan nhung) OR (tham nhung)) cong san toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) or (chinh sach)) - hanh doanh ((nhan nhung) OR (tham nhung)) cong san toan ban".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chinh sach)) - hanh doanh ((nhan nhung) OR (tham nhung)) cong san toan ban*.