Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
trang luan » tang luan, tranh luan, trang tuan
tieu tinh » trieu tinh, tieu trinh, lieu tinh
luan nang » luan van, van nang, luan san
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu tinh - hanh trang luan nang ((cong dan) or (cong san)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu tinh - hanh trang luan nang ((cong dan) OR (cong san)) toan ban.
• Adding a wildcard symbol may retrieve word variants: theo tieu tinh - hanh trang luan nang ((cong dan) or (cong san)) toan ban*.