Perhaps you should try some spelling variations:
wang yiqian » wang yidan
cheng zhang » zhen zhang, chen zheng, china zhang
zhang yan » zhang fan, zhang jian, wang yan
cheng han » chen hao
jing kong » king kong, sing kong, ming kong
kang han » kang chen, kong hang, zhang han
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 yiqian ((kang han) or (zhang yan)) ((cheng zhang) OR (cheng han)) jing kong ghi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yiqian ((kang han) OR (zhang yan)) ((cheng zhang) OR (cheng han)) jing kong ghi ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yiqian ((kang han) or (zhang yan)) ((cheng zhang) OR (cheng han)) jing kong ghi ;".
• Adding a wildcard symbol may retrieve word variants: wang yiqian ((kang han) or (zhang yan)) ((cheng zhang) OR (cheng han)) jing kong ghi ;*.