Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
nhan hung » nhanh hung, phan hung, nhan ung
hung cong » nhung cong, hung cuong, phung cong
toc hieu » toc thieu, doc hieu, hoc thieu
van than » van thanh, van thang, van tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc hieu manh - doanh doanh nhan hung cong ((xuan toan) or (van than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc hieu manh - doanh doanh nhan hung cong ((xuan toan) OR (van than)) cau.
• Adding a wildcard symbol may retrieve word variants: toc hieu manh - doanh doanh nhan hung cong ((xuan toan) or (van than)) cau*.