Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
theo hieu » theo chieu, theo tieu, thien hieu
hieu lang » chieu sang, hieu quang, nhieu tang
doanh cua » doanh luan
tong cong » trong cong, cong cong, dung cong
nhung bo » nhung bi, nhung bai, nhung don
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo hieu lang - hanh doanh cua ((nhung bo) or (tong cong)) dan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo hieu lang - hanh doanh cua ((nhung bo) OR (tong cong)) dan than ban.
• Adding a wildcard symbol may retrieve word variants: theo hieu lang - hanh doanh cua ((nhung bo) or (tong cong)) dan than ban*.