Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
cong thanh » dong thanh, cong trinh, cong tan
thanh gian » thanh giang, thach giang, thanh san
hieu manh » chieu xanh, hieu nganh, dieu hanh
hoc hieu » hoc thieu, hoc hien, doc hieu
gian cau » gian chau, gian cac, gian cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu manh - hanh ((doanh tai) or (doanh nhan)) nhung cong thanh gian cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - hanh ((doanh tai) OR (doanh nhan)) nhung cong thanh gian cau.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - hanh ((doanh tai) or (doanh nhan)) nhung cong thanh gian cau*.