Perhaps you should try some spelling variations:
doanh luan » doanh nhan
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
doc hieu » toc thieu, hoc thieu, hoc hien
cong tan » cong tac, cong san, cong thanh
hop chat » hop chi
tan hop » tap hop, tan hoi, tao hop

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu manh - canh ((doanh cua) OR (doanh luan)) nhung cong tan hop chat~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu manh - canh ((doanh cua) OR (doanh luan)) nhung cong tan hop chat".
• Adding a wildcard symbol may retrieve word variants: doc hieu manh - canh ((doanh cua) OR (doanh luan)) nhung cong tan hop chat*.