Perhaps you should try some spelling variations:
thanh hung » thanh huong, thanh tung, thanh trung
chon chung » cho chuong, cho nhung, cong chung
chung cong » nhung cong, chong cong, phung cong
cho chieu » ho chieu, theo chieu, chon chien
can chien » van chien, cac chien, tran chien
hung chon » nhung chong, chung chou, hung chanh
cong dan » cong san, cong tan, huong dan
dan can » dan chan, dan canh, dan ca
can cau » van cau, ban cau, ca cau

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 (can chien)) sach - thanh hung chon chung cong dan can cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((cho chieu) OR (can chien)) sach - thanh hung chon chung cong dan can cau.
• Adding a wildcard symbol may retrieve word variants: ((cho chieu) or (can chien)) sach - thanh hung chon chung cong dan can cau*.