Perhaps you should try some spelling variations:
nhung phong » nhung phuong, nhung chong, nung phong
nhung hong » nhung chong, nhung huong, nhung cong
hien hanh » dieu hanh
nang quan » ban quan, nang suat
van thanh » ban thanh, van tuan
thanh lap » thanh san, phan lap, thanh hai
anh nang » ganh nang, anh bang, anh dang

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 - anh nang quan ((nhung hong) OR (nhung phong)) van thanh lap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien hanh - anh nang quan ((nhung hong) OR (nhung phong)) van thanh lap".
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - anh nang quan ((nhung hong) OR (nhung phong)) van thanh lap*.