Perhaps you should try some spelling variations:
phuong hanh » phuong thanh, phuong anh, phuong danh
nang phuong » bang phuong, nang thuong, nano phuong
hanh dung » thanh dung, anh dung, hanh dong
luan nang » luan van, van nang, luan san
hanh toan » thanh toan, khanh toan, manh toan
doc hieu » hoc thieu, hoc hien
toan tap » toan ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (toc thieu)) sang - hanh dung luan nang phuong hanh toan tap~.
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (toc thieu)) sang - hanh dung luan nang phuong hanh toan tap*.