Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
trang luan » tang luan, tranh luan, trang tuan
than phan » thanh phan, toan phan, thanh pham
ho chieu » theo chieu, hoc thieu, mot chieu
con than » cong thanh, cong thang, son thanh
phan lap » phan dau
van con » van cong, van bon, van co

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) OR (toc thieu)) sang - hanh trang luan van con than phan lap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (toc thieu)) sang - hanh trang luan van con than phan lap".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (toc thieu)) sang - hanh trang luan van con than phan lap*.