Perhaps you should try some spelling variations:
hang khoa » dung khoa
hoan phan » hoa phan, toan phan, hoan thanh
doan phan » doanh phan, toan phan, dan phan
ban hang » ngan hang
luan ket » lien ket
qua tieu » luan tieu
tieu qua » hieu qua, lieu quan, hieu quan
kinh » dinh, 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 qua kinh doanh ((hoan phan) OR (doan phan))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ban hang khoa luan ket qua tieu qua kinh doanh ((hoan phan) OR (doan phan))".
• Adding a wildcard symbol may retrieve word variants: ban hang khoa luan ket qua tieu qua kinh doanh ((hoan phan) OR (doan phan))*.