Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
doanh luan » doanh nhan
hieu manh » chieu xanh, hieu nganh, dieu hanh
bien tinh » bi tinh, yen tinh, diep tinh
luan dung » lan dung, luan dong, luan hung
dung cong » dung trong
cong tap » cuong tap, cong tac, cong tan
tap toan » tap doan, tap quan, bai toan
toan cau » toan cao, toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu manh) or (bien tinh)) - canh doanh luan dung cong tap toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (bien tinh)) - canh doanh luan dung cong tap toan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (bien tinh)) - canh doanh luan dung cong tap toan cau*.