Perhaps you should try some spelling variations:
chieu tach » chiet tach, chieu sach, chiu trach
chieu sang » chieu sach, chieu xanh, hieu lang
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
tinh luan » trinh luan, binh luan, minh luan
van cong » van dong, van phong, phan cong
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu tach) or (chieu sang)) - hanh tinh luan van cong dan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu tach) OR (chieu sang)) - hanh tinh luan van cong dan phan tu*.