Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
doanh cua » doanh luan
cua nhung » va nhung
van thanh » ban thanh, van tuan
ho chieu » theo chieu, doi chieu, mot chieu
dan toan » van toan, dan than, manh toan

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: ((ho chieu) OR (hoc thieu)) sang - hanh doanh cua nhung cong ((dan toan) OR (van thanh)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (hoc thieu)) sang - hanh doanh cua nhung cong ((dan toan) or (van thanh)) cau~".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (hoc thieu)) sang - hanh doanh cua nhung cong ((dan toan) or (van thanh)) cau*.