Perhaps you should try some spelling variations:
doanh hoan » doanh doanh, doanh khoa, doanh nhan
dung khoa » dung cho
dan dung » van dung, tin dung, ap dung
ket luan » ket qua, dat luan, ket doan
dieu thi » dieu tri, sieu thi, dien thi
thi kinh » tri kinh, thi minh, thi hinh
te luan » tu luan, te quan
thien » thieu, tien, hien

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

• Performing a fuzzy search may retrieve terms with similar spellings: dan dung khoa luan ((ket luan) OR (te luan)) dieu thi kinh doanh hoan thien~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dan dung khoa luan ((ket luan) OR (te luan)) dieu thi kinh doanh hoan thien".
• Adding a wildcard symbol may retrieve word variants: dan dung khoa luan ((ket luan) OR (te luan)) dieu thi kinh doanh hoan thien*.