Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
doanh cua » doanh luan
cua nhung » va nhung
cong vang » cong lang, cong quang, cong ngang
cong van » cong san, song van, cong tan
ha tinh » va tinh, may tinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((hieu manh) or (ha tinh)) - hanh doanh cua nhung ((cong van) or (cong vang)) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((hieu manh) OR (ha tinh)) - hanh doanh cua nhung ((cong van) OR (cong vang)) van ban.
• Adding a wildcard symbol may retrieve word variants: doi ((hieu manh) or (ha tinh)) - hanh doanh cua nhung ((cong van) or (cong vang)) van ban*.