Perhaps you should try some spelling variations:
minh thanh » dinh thanh, tinh thanh, hinh thanh
thanh toan » thanh hoa, thanh san, tinh toan
dat quang » dau quang, chat quang, dang quang
hang khoa » dung khoa
ban hang » ngan hang
dat luan » dan luan, dau luan, bai luan
tieu thi » trieu thi, tiep thi, tieu thu
thi minh » chi minh, thi hanh, thi bich

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 (dat quang)) tieu thi minh thanh toan (vien or viet)~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ban hang khoa luan ((dat luan) OR (dat quang)) tieu thi minh thanh toan (vien OR viet).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ban hang khoa luan ((dat luan) OR (dat quang)) tieu thi minh thanh toan (vien or viet)".
• Adding a wildcard symbol may retrieve word variants: ban hang khoa luan ((dat luan) OR (dat quang)) tieu thi minh thanh toan (vien or viet)*.