Perhaps you should try some spelling variations:
zhang ping » zhang ming, zhang jing, zhang ting
chen zhang » cheng zhang, zhen zhang, chen zheng
ping wang » ping pong, hong wang
ping kong » ping pong, king kong, sing kong
yuan zi » yuan li, yuan fei, yuan hui
ban zi » ban ji
yan zi » yan zhi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ping wang ((ban zi) or (((yan zi) or (yuan zi)))) chen zhang ping kong (sar OR saur) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ping wang ((ban zi) OR (((yan zi) OR (yuan zi)))) chen zhang ping kong (sar OR saur) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ping wang ((ban zi) or (((yan zi) or (yuan zi)))) chen zhang ping kong (sar OR saur) ;*".