Perhaps you should try some spelling variations:
chen zheng » chen zhen, chen aizheng, cheng zhang
wang yong » wang yang, wang hyoung, wang yan
yong yang » yang yang, dong yang, ying yang
his last » als last, his host, his land
dong bin » dong sin, dann bin
dong di » dong sin
a last » _ last, a las

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yong yang ((((his last) or (a last))) or (die kosten)) chen zheng ((dong bin) or (dong di)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yong yang ((((his last) OR (a last))) OR (die kosten)) chen zheng ((dong bin) OR (dong di)) ;.
• Adding a wildcard symbol may retrieve word variants: wang yong yang ((((his last) or (a last))) or (die kosten)) chen zheng ((dong bin) or (dong di)) ;*.