Perhaps you should try some spelling variations:
phuong khanh » phuong thanh, phuong hanh, phuong anh
van phuong » van phong, va phuong, van chuong
khanh toan » thanh toan, khanh thanh, khanh thuan
hanh mang » nhanh mang, hanh trang, nhanh lang
mang luan » tang luan, hang luan, bang luan
doc hieu » hoc thieu, hoc hien
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (toc thieu)) sang - hanh mang luan van phuong khanh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (toc thieu)) sang - hanh mang luan van phuong khanh toan tap*.