Perhaps you should try some spelling variations:
nhung danh » nhung doanh, nhung manh, nhung hanh
hien hanh » dieu hanh
bang song » nang song
danh chu » doanh chu, danh cho, danh cau
chu bang » thu bang, chuc nang, chu quang
quan van » luan van, quan va, quan luan
tan van » tran van, tang van, luan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien hanh - nhung danh chu bang song ((tan van) or (quan van)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hanh - nhung danh chu bang song ((tan van) OR (quan van)) ban.
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - nhung danh chu bang song ((tan van) or (quan van)) ban*.