Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
hieu lang » chieu sang, hieu quang, nhieu tang
doanh cua » doanh luan
cua nhung » va nhung
van toan » van tuan, van thanh, manh toan
van tan » van tuan, van ban, van tai

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

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