Perhaps you should try some spelling variations:
doanh chien » doan thien, hoach chien, khanh chien
minh doanh » kinh doanh, minh doan, chinh doanh
hang khoa » dung khoa
luan tieu » luan thiet
ban hang » ngan hang
luan ket » lien ket
ket luan » ket qua, te luan, dat luan
tieu chi » hieu chi, trien chi, dieu chim

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 hang khoa luan ket luan tieu chi ((minh doanh) OR (minh danh)) doanh chien~".
• Adding a wildcard symbol may retrieve word variants: ban hang khoa luan ket luan tieu chi ((minh doanh) OR (minh danh)) doanh chien*.