Perhaps you should try some spelling variations:
hanh dung » thanh dung, anh dung, hanh dong
luan phan » luan van, luan hoan
phan cong » thanh cong
doc hieu » hoc thieu, hoc hien
cong van » cong vang, cong san, song van
van phan » van phong, van thanh, van ban
phan lap » phan dau

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 van phan lap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doc hieu) OR (toc thieu)) sang - hanh dung luan phan cong van phan lap".
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) OR (toc thieu)) sang - hanh dung luan phan cong van phan lap*.