Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
thieu quan » thieu quang, thien quan, hieu qua
doanh chua » doanh cua, doanh chu, doanh chung
hieu quan » hieu qua, lieu quan, thien quan
chua bang » chu bang, chua nang, chua xang
bang cong » dang cong, bang song, hang cong
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: hoc ((hieu quan) or (thieu quan)) - hanh doanh chua bang cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu quan) OR (thieu quan)) - hanh doanh chua bang cong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu quan) or (thieu quan)) - hanh doanh chua bang cong dan toan ban*.