Perhaps you should try some spelling variations:
nhung chong » nhung cong, nhung phong, nhung phuong
chieu sach » chiet tach, chieu sang, chieu xanh
canh doanh » hanh doanh, chinh doanh, doanh doanh
doanh cua » doanh luan
cua nhung » va nhung
van toan » van tan, van thanh, manh toan
van tuan » van quan, van ban, anh tuan

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) OR (chinh sach)) - canh doanh cua nhung chong ((van toan) or (van tuan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (chinh sach)) - canh doanh cua nhung chong ((van toan) OR (van tuan)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sach) OR (chinh sach)) - canh doanh cua nhung chong ((van toan) or (van tuan)) ban".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) OR (chinh sach)) - canh doanh cua nhung chong ((van toan) or (van tuan)) ban*.