Perhaps you should try some spelling variations:
sein dann » sein kann, sein das, bin dann
yulu chen » yu chen
chen ping » chen rong, chen yang, chen wang
yang yun » yang jun, tang yun, yang yang
yang yue » wang yue, yang yi, wong yue
yang jui » yang judy, yang di, yang xi
ping ji » ping jia, jing ji, ping yi

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: (dong OR long) sein dann yulu chen ping ji ((((yang yun) OR (yang yue))) OR (yang jui)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(dong or long) sein dann yulu chen ping ji ((((yang yun) OR (yang yue))) or (yang jui)) ;~".
• Adding a wildcard symbol may retrieve word variants: (dong or long) sein dann yulu chen ping ji ((((yang yun) OR (yang yue))) or (yang jui)) ;*.