Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh cua » doanh luan
dung cong » dung trong
doc hieu » toc thieu, hoc thieu
cua dung » cua dang, cua dong, qua dung
van toan » van tuan, van thanh, manh toan
van tan » van tuan, van ban, van tai

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 hien)) xanh - hanh doanh cua dung cong ((van toan) OR (van tan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (hoc hien)) xanh - hanh doanh cua dung cong ((van toan) OR (van tan)) cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doc hieu) or (hoc hien)) xanh - hanh doanh cua dung cong ((van toan) OR (van tan)) cao*".