Perhaps you should try some spelling variations:
danh thanh » dinh thanh, dang thanh, nhanh thanh
doanh anh » doanh doanh, doanh thanh, doanh sang
hang khoa » dung khoa
ban hang » ngan hang
luan ket » lien ket
qua tieu » luan tieu
tieu su » thieu so
su kinh » 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 su kinh ((doanh anh) or (danh thanh)) tieng~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ban hang khoa luan ket qua tieu su kinh ((doanh anh) OR (danh thanh)) tieng.
• Adding a wildcard symbol may retrieve word variants: ban hang khoa luan ket qua tieu su kinh ((doanh anh) or (danh thanh)) tieng*.