Perhaps you should try some spelling variations:
minh doanh » kinh doanh, minh danh, minh doan
hang khoa » dung khoa
luan tieu » luan thiet
khoa khan » kho khan, khoa than, khoa khac
khoa kham » kho khan, khoa than
ban hang » ngan hang
luan ket » lien ket
ket luan » ket qua, te luan, dat luan
tieu thu » trieu thi, tieu su
thu minh » thi minh, chi minh, vu 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 luan tieu thu minh doanh ((khoa khan) OR (khoa kham))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ban hang khoa luan ket luan tieu thu minh doanh ((khoa khan) OR (khoa kham))".
• Adding a wildcard symbol may retrieve word variants: ban hang khoa luan ket luan tieu thu minh doanh ((khoa khan) OR (khoa kham))*.