Perhaps you should try some spelling variations:
theo chiet » theo chieu, thep thiet
chiet tach » chieu sach
hang doanh » hanh doanh, nhung doanh, van doanh
nhung cong » dung cong, thong cong, hang cong
van thanh » ban thanh, van tuan
cua nhung » va nhung
cong san » cong tac
than tap » toan tap, han tap, than cap
phan tap » phan lap, han tap, pha tap

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 chiet tach - ((hang doanh) OR (van thanh)) cua nhung cong san ((than tap) OR (phan tap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chiet tach - ((hang doanh) or (van thanh)) cua nhung cong san ((than tap) OR (phan tap))~".
• Adding a wildcard symbol may retrieve word variants: theo chiet tach - ((hang doanh) or (van thanh)) cua nhung cong san ((than tap) OR (phan tap))*.