Perhaps you should try some spelling variations:
doanh toan » doanh hoan, doanh doanh, doanh thanh
hang khoa » dung khoa
toan bien » toan tien, toan dien, tan bien
ban hang » ngan hang
dat luan » dau luan, dat quang, bai luan
dan luan » doanh luan, dung luan, tang 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.

• Performing a fuzzy search may retrieve terms with similar spellings: ban hang khoa luan ((dat luan) OR (dan luan)) tieu thu kinh doanh toan bien~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ban hang khoa luan ((dat luan) OR (dan luan)) tieu thu kinh doanh toan bien".
• Adding a wildcard symbol may retrieve word variants: ban hang khoa luan ((dat luan) OR (dan luan)) tieu thu kinh doanh toan bien*.