Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
cuong luan » cuong quan, truong luan, dung luan
chau tinh » cuu tinh, ha tinh, cua tinh
hanh tran » hanh trang, thanh tran, hanh tram
van quang » van quan, tran quang, van tuan
cong luan » tong luan, cong tuan, dong luan
tran van » luan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chau tinh) or (chieu xanh)) - hanh tran van quang ((cuong luan) OR (cong luan)) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chau tinh) OR (chieu xanh)) - hanh tran van quang ((cuong luan) OR (cong luan)) van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chau tinh) or (chieu xanh)) - hanh tran van quang ((cuong luan) OR (cong luan)) van ban".
• Adding a wildcard symbol may retrieve word variants: ho ((chau tinh) or (chieu xanh)) - hanh tran van quang ((cuong luan) OR (cong luan)) van ban*.