Perhaps you should try some spelling variations:
doanh luan » doanh nhan
hanh doanh » hang doanh, chinh doanh, doanh doanh
luan hung » luan chung, lan hung, luan ung
hung cong » nhung cong, hung cuong, phung cong
hoc hieu » hoc thieu, doc hieu, hoc dieu
cong san » cong tac
gian cau » gian chau, gian cam, gian cu
gian cac » gian dan, gian cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc hieu) OR (hoc hien)) manh - hanh doanh luan hung cong san ((gian cau) or (gian cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hieu) OR (hoc hien)) manh - hanh doanh luan hung cong san ((gian cau) OR (gian cac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc hieu) OR (hoc hien)) manh - hanh doanh luan hung cong san ((gian cau) or (gian cac))".
• Adding a wildcard symbol may retrieve word variants: ((hoc hieu) OR (hoc hien)) manh - hanh doanh luan hung cong san ((gian cau) or (gian cac))*.