Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
hanh doanh » hang doanh, doanh doanh, kinh doanh
thieu quan » thieu quang, thien quan, hieu qua
hieu quan » hieu qua, lieu quan, thien quan
chua bang » chu bang, chua nang, chua xang
bang song » nang song
song dan » song danh, song van, cong 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) OR (chinh doanh)) chua bang song dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu quan) OR (thieu quan)) - ((hanh doanh) OR (chinh doanh)) chua bang song dan toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu quan) or (thieu quan)) - ((hanh doanh) OR (chinh doanh)) chua bang song dan toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu quan) or (thieu quan)) - ((hanh doanh) OR (chinh doanh)) chua bang song dan toan ban*.