Perhaps you should try some spelling variations:
yidan zhang » yan zhang, xiulan zhang
cheng zhang » cheng han, zhen zhang, china zhang
wang yidan » wang yan
chen zheng » chen zhen, chen aizheng, chen zhe
zhang han » zhang fan, zhang yan, zhang hanmo
ming kong » king kong, sing kong, hong 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 zhang han ((cheng zhang) or (chen zheng)) ming kong ghi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yidan zhang han ((cheng zhang) OR (chen zheng)) ming kong ghi ;.
• Adding a wildcard symbol may retrieve word variants: wang yidan zhang han ((cheng zhang) or (chen zheng)) ming kong ghi ;*.