Perhaps you should try some spelling variations:
tinh doanh » kinh doanh, minh doanh, chinh doanh
tri tuan » tri quan, tran tuan, tri tue
hieu tri » sieu tri, hieu triet, chieu tro
tri luan » tri quan, thi luan, trinh luan
tuan va » toan va, quan va, than va
va tinh » may tinh
luan va » luan van, luat va
dieu » dien

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( dieu tri tuan va tinh doanh ) or ( hieu tri luan va tinh doanh ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( dieu tri tuan va tinh doanh ) OR ( hieu tri luan va tinh doanh )).
• Adding a wildcard symbol may retrieve word variants: (( dieu tri tuan va tinh doanh ) or ( hieu tri luan va tinh doanh ))*.