Perhaps you should try some spelling variations:
hang doanh » nhung doanh, van doanh, dung doanh
hanh doanh » chinh doanh, doanh doanh, kinh doanh
dong cong » duong cong, dung cong, dang cong
doc hieu » toc thieu, hoc thieu
cua dong » chua dong, cua cong, cua dang
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban

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)) manh - ((hanh doanh) or (hang doanh)) cua dong cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (hoc hien)) manh - ((hanh doanh) OR (hang doanh)) cua dong cong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (hoc hien)) manh - ((hanh doanh) or (hang doanh)) cua dong cong dan toan ban*.