Perhaps you should try some spelling variations:
doanh hoan » doanh doanh, doanh khoa, doanh nhan
luan tieu » luan thiet
doan hoan » doan chuan, hoan hoang, toan khoan
ban dung » van dung, dan dung, tan dung
cho luan » khoa luan, khao luan, cho phan
tieu thu » trieu thi, tieu su
thu minh » thi minh, chi minh, vu minh
luan ve » luat ve, luan va, quan ve
ve luan » ve quan, te luan, le luan

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 cho luan ve luan tieu thu minh ((doan hoan) OR (doanh hoan)) hien~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ban dung cho luan ve luan tieu thu minh ((doan hoan) OR (doanh hoan)) hien".
• Adding a wildcard symbol may retrieve word variants: ban dung cho luan ve luan tieu thu minh ((doan hoan) OR (doanh hoan)) hien*.