Perhaps you should try some spelling variations:
sein dann » sein kann, sein das, bin dann
chen ping » chen rong, chen yang, chen wang
ping jin » ying jin, ping jia, ping lin
yang yue » wang yue, yang yun, yang jui
yu chen » yu cheng, yi chen, yulu chen
yang xi » yang di, yang yi, yang jui
bin da » bin ja, bin dann

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

• If you are trying to use Boolean operators, they must be ALL CAPS: dann ((bin da) OR (sein dann)) yu chen ping jin ((yang yue) OR (yang xi)) ;~.
• Adding a wildcard symbol may retrieve word variants: dann ((bin da) or (sein dann)) yu chen ping jin ((yang yue) or (yang xi)) ;*.