Perhaps you should try some spelling variations:
cheng zhang » cheng han, zhen zhang, chen zheng
die ersten » der ersten, die kosten, des ersten
wang juan » wang jun, wang xuan, huang juan
yan wang » yuan wang, yang yang, qian wang
dort bin » dort hin, dong bin, dort ii
org bin » dong bin
ersten » erstern
erste » erster

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: yan wang juan ((die ersten) OR (die erste)) cheng zhang ((org bin) OR (dort bin)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yan wang juan ((die ersten) OR (die erste)) cheng zhang ((org bin) or (dort bin)) ;~".
• Adding a wildcard symbol may retrieve word variants: yan wang juan ((die ersten) OR (die erste)) cheng zhang ((org bin) or (dort bin)) ;*.