Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
van doanh » toan doanh, van dong, van thanh
sieu thi » trieu thi, dieu tri, su thi
lang van » dang van, hoang van, giang van
tang van » dang van, hoang van, trong van
lan van » luan van, tan van, san van
sieu ki » lieu ki, sieu vi, sieu tri
ki tang » ki nang, ky tang, kho tang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( sieu thi ((lan van) or (lang van)) kinh doanh ) or ( sieu ki tang van doanh doanh ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( sieu thi ((lan van) OR (lang van)) kinh doanh ) OR ( sieu ki tang van doanh doanh )).
• Adding a wildcard symbol may retrieve word variants: (( sieu thi ((lan van) or (lang van)) kinh doanh ) or ( sieu ki tang van doanh doanh ))*.