Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh luan » doanh nhan
luan nhung » luan chung, luan hung, quan nhung
hoc thieu » toc thieu, hoc hien
toc hieu » toc thieu, doc hieu, thuc hieu
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tap

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

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