Perhaps you should try some spelling variations:
hang khoa » dung khoa
trien chi » trien thi, trien khai, trieu thi
minh doan » minh doanh, minh toan, minh don
doan hoan » doanh hoan, doan chuan, hoan hoang
hoan tien » hoan thien, toan tien, toan tieng
ban hang » ngan hang
ket chua » ket qua, ket hoa, ket thuc

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 chua) OR (ket cau)) trien chi minh doan hoan tien~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ban hang khoa luan ((ket chua) OR (ket cau)) trien chi minh doan hoan tien".
• Adding a wildcard symbol may retrieve word variants: ban hang khoa luan ((ket chua) OR (ket cau)) trien chi minh doan hoan tien*.