Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
hoc thieu » toc thieu, hoc hien
doc hieu » toc thieu, hoc hien
cua dung » cua dang, cua dong, cua rung
qua dung » quang dung, su dung, qua song
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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: ((doc hieu) or (hoc thieu)) manh - hanh doanh ((cua dung) OR (qua dung)) cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (hoc thieu)) manh - hanh doanh ((cua dung) OR (qua dung)) cong dan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doc hieu) or (hoc thieu)) manh - hanh doanh ((cua dung) OR (qua dung)) cong dan toan cau".
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (hoc thieu)) manh - hanh doanh ((cua dung) OR (qua dung)) cong dan toan cau*.