Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
sinh thai » dinh thi
dang cong » dung cong
cong than » cong thanh, cong thang, cong tan
than phan » thanh phan, toan phan, thanh pham
thai lua » thai luan, thai luat, thai cua
lua dang » cua dang, lua sang, luan nang
phan lap » phan 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 sach) or (chieu tinh)) - sinh thai lua dang cong than phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (chieu tinh)) - sinh thai lua dang cong than phan lap.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) or (chieu tinh)) - sinh thai lua dang cong than phan lap*.