Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
tieu tinh » trieu tinh, tieu trinh, lieu tinh
tang luan » dung luan
anh tang » anh bang, anh dang, anh nang
luan han » luan hoan, luan phan, luan van
cong dan » cong san, cong tan, huong dan
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 - anh tang luan han ((cong dan) or (((cong thanh) or (cong ty)))) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu tinh - anh tang luan han ((cong dan) OR (((cong thanh) OR (cong ty)))) toan ban.
• Adding a wildcard symbol may retrieve word variants: theo tieu tinh - anh tang luan han ((cong dan) or (((cong thanh) or (cong ty)))) toan ban*.