Perhaps you should try some spelling variations:
sinh doanh » kinh doanh, sinh danh, minh doanh
luan tieu » luan thiet
hang khoa » dung khoa
tieu nhan » tiep nhan, tieu chuan, trien nhan
doanh kho » doanh khoa, doanh cho, doanh nho
ban hang » ngan hang
luan dat » luan dac, luan day, luan chat
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 dat) OR (luat dat)) luan tieu nhan sinh doanh kho khan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ban hang khoa ((luan dat) OR (luat dat)) luan tieu nhan sinh doanh kho khan".
• Adding a wildcard symbol may retrieve word variants: ban hang khoa ((luan dat) OR (luat dat)) luan tieu nhan sinh doanh kho khan*.