Perhaps you should try some spelling variations:
doanh phan » doanh nhan, doan phan, doanh thanh
dung khoa » dung cho
luan tieu » luan thiet
phan vien » nhan vien, phan kien, phan bien
luan ket » lien ket
ket luan » ket qua, te luan, dat luan
tieu thu » trieu thi, tieu su
thu kinh » thu minh, thuat kinh, nha kinh

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) OR (dung khoa)) luan ket luan tieu thu kinh doanh phan vien~".
• Adding a wildcard symbol may retrieve word variants: ban ((hang khoa) OR (dung khoa)) luan ket luan tieu thu kinh doanh phan vien*.