Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh thanh, dong doanh
khoa tieng » thoai tieng, hoc tieng, khoa tinh
doanh hoan » doanh khoa, doanh nhan, doanh luan
hang khoa » dung khoa
luan hieu » luan tieu, luan dieu, luan thiet
ban hang » ngan hang
tieng te » tien te, tieng tap, tieng tri
hieu thi » sieu thi, hieu chi, hiep thi
thi kinh » tri kinh, thi minh, thi hinh
te luan » tu luan, te quan

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 tieng te luan hieu thi kinh ((doanh doanh) OR (doanh hoan)) chien~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ban hang khoa tieng te luan hieu thi kinh ((doanh doanh) OR (doanh hoan)) chien".
• Adding a wildcard symbol may retrieve word variants: ban hang khoa tieng te luan hieu thi kinh ((doanh doanh) OR (doanh hoan)) chien*.