Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
hanh dung » thanh dung, anh dung, hanh dong
luan phan » luan van, luan hoan
phan cong » thanh cong
thanh phi » thanh pho, thanh phan, thanh pham
doc hieu » hoc thieu, hoc hien
phi van » phi san, thi van, phi va

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 dung luan phan cong thanh phi van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (toc thieu)) sang - hanh dung luan phan cong thanh phi van*.