Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
nhung cong » dung cong, thong cong, hang cong
thanh toan » thanh hoa, thanh san, tinh toan
viet tach » viet tech, viet thanh, chiet tach
viet sach » viet anh, dien sach, viet tech
doanh cua » doanh luan
cua nhung » va nhung
manh toan » anh tuan, tinh toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((viet tach) OR (viet sach)) - canh doanh cua nhung cong ((manh toan) or (thanh toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((viet tach) OR (viet sach)) - canh doanh cua nhung cong ((manh toan) OR (thanh toan)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((viet tach) OR (viet sach)) - canh doanh cua nhung cong ((manh toan) or (thanh toan)) cao".
• Adding a wildcard symbol may retrieve word variants: doi ((viet tach) OR (viet sach)) - canh doanh cua nhung cong ((manh toan) or (thanh toan)) cao*.