Perhaps you should try some spelling variations:
chon chien » chong thien, cuoc chien, can chien
chong cong » cong cong, thong cong, cuong cong
cho chieu » ho chieu, theo chieu, cao hieu
phong van » phung van, thong van, phong va
van chong » van chuong, van phong, van cong
cong dan » cong san, cong tan, huong dan
van chat » cao chat
dan van » dang van, doan van, dao van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((cho chieu) or (chon chien)) sach - khanh phong van chong cong dan van chat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((cho chieu) OR (chon chien)) sach - khanh phong van chong cong dan van chat.
• Adding a wildcard symbol may retrieve word variants: ((cho chieu) or (chon chien)) sach - khanh phong van chong cong dan van chat*.