Perhaps you should try some spelling variations:
chieu tach » chiet tach, chiu trach, chieu tinh
chieu sach » chinh sach, chiet tach, chieu sang
canh tinh » hanh tinh, manh tinh, canh tranh
tinh luan » trinh luan, binh luan, minh luan
luan phan » luan van, luan hoan
phan cong » thanh cong
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan dau » phan tu, hang dau

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 sach)) - canh tinh luan phan cong dan phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu tach) OR (chieu sach)) - canh tinh luan phan cong dan phan dau*.