Perhaps you should try some spelling variations:
doanh hoan » doanh doanh, doanh khoa, doanh nhan
hang khoa » dung khoa
hoan hien » hoan thien, han hien, hoa hien
ban hang » ngan hang
thu minh » chi minh, vu minh
thi minh » chi minh, thi hanh, thi bich
luan te » luan ve, luan de, luan tieu
te luan » tu luan, te quan

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 te luan thiet ((thu minh) OR (thi minh)) doanh hoan hien~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ban hang khoa luan te luan thiet ((thu minh) OR (thi minh)) doanh hoan hien".
• Adding a wildcard symbol may retrieve word variants: ban hang khoa luan te luan thiet ((thu minh) OR (thi minh)) doanh hoan hien*.