Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
doanh hien » doanh chien, doanh hieu, doanh tien
khao luan » khau luan, khanh luan, khoa luan
khai luan » khau luan, khai tuan, thai luan
luan tieu » luan thiet
tieu tham » lieu tham, tieu thu, hien tham
tham kinh » than kinh, tham dinh, thao kinh
ban dung » van dung, dan dung, tan dung
ket luan » ket qua, te luan, dat luan

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "ban dung ((khao luan) OR (khai luan)) ket luan tieu tham kinh doanh doanh hien~".
• Adding a wildcard symbol may retrieve word variants: ban dung ((khao luan) OR (khai luan)) ket luan tieu tham kinh doanh doanh hien*.