Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
doanh doan » doanh hoan, doanh nhan, doanh luan
hang khoa » dung khoa
ban hang » ngan hang
luan ket » lien ket
qua tieu » luan tieu
tieu thu » trieu thi, tieu su
thu minh » thi minh, chi minh, vu minh

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 khoa luan ket qua tieu thu minh ((doanh doan) OR (doanh doanh)) dieu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ban hang khoa luan ket qua tieu thu minh ((doanh doan) OR (doanh doanh)) dieu".
• Adding a wildcard symbol may retrieve word variants: ban hang khoa luan ket qua tieu thu minh ((doanh doan) OR (doanh doanh)) dieu*.