Perhaps you should try some spelling variations:
cheng zhang » cheng han, zhen zhang, chen zheng
wang yidan » wang yan
zhang jing » zhang ming, zhang jin, zhang ping
kang chen » chang chen, jane chen, kang han
zhang han » zhang fan, zhang yan, zhang hanmo
jing kong » king kong, sing kong, ming kong
kong ghi » hong ghi

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yidan ((kang chen) or (zhang han)) cheng zhang jing kong ghi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yidan ((kang chen) OR (zhang han)) cheng zhang jing kong ghi ;.
• Adding a wildcard symbol may retrieve word variants: wang yidan ((kang chen) or (zhang han)) cheng zhang jing kong ghi ;*.