Perhaps you should try some spelling variations:
chieu xanh » chieu sang, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
thanh luan » tranh luan, thanh xuan, thanh tuan
duong cong » dung cong, luong cong, duong trong
van duong » van dong, van dung, van phong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((((chieu xanh) or (chieu sach))) or (chieu tinh)) - thanh luan van duong cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((((chieu xanh) OR (chieu sach))) OR (chieu tinh)) - thanh luan van duong cong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: theo ((((chieu xanh) or (chieu sach))) or (chieu tinh)) - thanh luan van duong cong dan toan cao*.