Perhaps you should try some spelling variations:
doanh hoan » doanh doanh, doanh khoa, doanh nhan
dung khao » dung khang, dung khach, dung cho
khao luan » khau luan, khai luan, khanh luan
ban dung » van dung, dan dung, tan dung
luan ket » lien ket
qua tieu » luan tieu
tieu qua » hieu qua, lieu quan, hieu quan
kinh » dinh, minh

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

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