Perhaps you should try some spelling variations:
doanh hoan » doanh doanh, doanh khoa, doanh nhan
hoan thieu » hoan thien, hoang trieu, hoc thieu
dung khoa » dung cho
luan dieu » luan tieu, lan dieu, luan hieu
van dung » van dong, xay dung, tin dung
luan ket » lien ket
ket luan » ket qua, te luan, dat luan

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

• Performing a fuzzy search may retrieve terms with similar spellings: van dung khoa luan ket luan dieu tri (kinh or minh) doanh hoan thieu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: van dung khoa luan ket luan dieu tri (kinh OR minh) doanh hoan thieu.
• Adding a wildcard symbol may retrieve word variants: van dung khoa luan ket luan dieu tri (kinh or minh) doanh hoan thieu*.