Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
cong thai » cong hai, hong thai, cong thanh
dang cong » dung cong
thai lua » thai luan, thai luat, thai cua
lua dang » cua dang, lua sang, luan nang
cong van » cong vang, cong san, song van
van phan » van phong, van thanh, luan 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 sach) or (chieu tinh)) - cong thai lua dang cong van phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (chieu tinh)) - cong thai lua dang cong van phan tu.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) or (chieu tinh)) - cong thai lua dang cong van phan tu*.