Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
hanh doanh » hang doanh, chinh doanh, kinh doanh
tham nhung » thi nhung
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
hoc hieu » hoc hien, doc hieu, hoc dieu
cong dan » cong san, cong tan, huong dan
gian cau » gian chau, gian cac, gian cam

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 thieu)) manh - ((hanh doanh) OR (doanh doanh)) tham nhung cong dan gian cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hieu) OR (hoc thieu)) manh - ((hanh doanh) OR (doanh doanh)) tham nhung cong dan gian cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc hieu) or (hoc thieu)) manh - ((hanh doanh) OR (doanh doanh)) tham nhung cong dan gian cau".
• Adding a wildcard symbol may retrieve word variants: ((hoc hieu) or (hoc thieu)) manh - ((hanh doanh) OR (doanh doanh)) tham nhung cong dan gian cau*.