Perhaps you should try some spelling variations:
hanh luan » khanh luan, hang luan, hanh luat
dang cong » dung cong
cong phap » chong phap, cong phan, cong pham
phap phan » phap phat, phap hoan, phap luan
doc hieu » hoc thieu, hoc hien
van dang » van dong, van dung, van nang
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 luan van dang cong phap phan lap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doc hieu) OR (toc thieu)) sang - hanh luan van dang cong phap phan lap".
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) OR (toc thieu)) sang - hanh luan van dang cong phap phan lap*.