Perhaps you should try some spelling variations:
doanh thanh » danh thanh, doanh nhan, dinh thanh
doanh phan » doanh nhan, doan phan, doanh luan
khoa lien » khoa tieng, thoai lien, khoa luan
dan dung » tin dung, ap dung
van dung » van dong, xay dung, tin dung
lien ket » thien 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: ((dan dung) or (van dung)) khoa lien ket qua tieu su kinh ((doanh phan) OR (doanh thanh)) hien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dan dung) OR (van dung)) khoa lien ket qua tieu su kinh ((doanh phan) OR (doanh thanh)) hien.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dan dung) or (van dung)) khoa lien ket qua tieu su kinh ((doanh phan) OR (doanh thanh)) hien".
• Adding a wildcard symbol may retrieve word variants: ((dan dung) or (van dung)) khoa lien ket qua tieu su kinh ((doanh phan) OR (doanh thanh)) hien*.