Perhaps you should try some spelling variations:
ping chancen » und chancen, die chancen, von chancen
des ansatzes » des einsatzes, des datensatzes, des gesetzes
ansatzes jin » ansatzes im, ansatzes von, ansatze ein
chancen des » chancen der
zhang ping » zhang ming, zhang jing, zhang ting
chong suk » chong yun, yong suk
jin song » jie song, john song, kim song
cong sun » cong shu, cong van, wing sun

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

• Performing a fuzzy search may retrieve terms with similar spellings: zhang ping chancen des ansatzes jin song ((chong suk) or (cong sun)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: zhang ping chancen des ansatzes jin song ((chong suk) OR (cong sun)) ;.
• Adding a wildcard symbol may retrieve word variants: zhang ping chancen des ansatzes jin song ((chong suk) or (cong sun)) ;*.