Perhaps you should try some spelling variations:
doanh thua » doanh thu, doanh thuc, doanh khoa
minh doanh » kinh doanh, minh danh, minh doan
thua thien » thuc hien
luan tieu » luan thiet
luan ket » lien ket
ket luan » ket qua, te luan, dat luan
tieu qua » hieu qua, lieu quan, hieu quan
qua minh » qua kinh, cua minh, qua ninh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ban hang) OR (ngan hang)) khoa luan ket luan tieu qua minh doanh thua thien~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ban hang) OR (ngan hang)) khoa luan ket luan tieu qua minh doanh thua thien".
• Adding a wildcard symbol may retrieve word variants: ((ban hang) OR (ngan hang)) khoa luan ket luan tieu qua minh doanh thua thien*.