Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
nhung duong » nhung dung, nhung huong, nhung tuong
hien hanh » dieu hanh
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
van tuan » van quan, van ban, anh tuan
tuan tap » toan tap, tuan tai, tuyen tap

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 - hanh tang luan ((nhung duong) or (nhung phuong)) van tuan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hanh - hanh tang luan ((nhung duong) OR (nhung phuong)) van tuan tap.
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - hanh tang luan ((nhung duong) or (nhung phuong)) van tuan tap*.