Perhaps you should try some spelling variations:
doanh hoan » doanh doanh, doanh khoa, doanh nhan
hoan thanh » hoang thanh, ban thanh, van thanh
hang khoa » dung khoa
luan tieu » luan thiet
ban hang » ngan hang
luan ket » lien ket
nha kinh » than kinh, nhan sinh, qua kinh

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) OR (luan tieu)) nha kinh doanh hoan thanh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ban hang khoa luan ket ((qua tieu) OR (luan tieu)) nha kinh doanh hoan thanh".
• Adding a wildcard symbol may retrieve word variants: ban hang khoa luan ket ((qua tieu) OR (luan tieu)) nha kinh doanh hoan thanh*.