Perhaps you should try some spelling variations:
hang khoa » dung khoa
doanh kho » doanh khoa, doanh cho, doanh nho
ban hang » ngan hang
luan ket » lien ket
qua tieu » luan tieu
thu minh » chi minh, vu minh
thi minh » chi minh, thi hanh, thi bich
kho khan » khoa kham, khoa than

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 ((thu minh) OR (thi minh)) doanh kho khan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ban hang khoa luan ket qua tieu ((thu minh) OR (thi minh)) doanh kho khan*".