Perhaps you should try some spelling variations:
wang yidan » wang yan
yidan wang » yiqian wang, qian wang, yan wang
wang yuhan » wang luhang, wang yan, fang yuan
yuhan sher » khan sher
sher zhang » zhen zhang, shen chang
zhang xin » zhang jian, zhang ming, zhang fan
zhong zhi » zhang zhi, hong ghi, zhong tai
zhang wei » zhen wei

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 wang yuhan sher zhang xin ((zhong zhi) or (zhang wei)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yidan wang yuhan sher zhang xin ((zhong zhi) OR (zhang wei)) ;.
• Adding a wildcard symbol may retrieve word variants: wang yidan wang yuhan sher zhang xin ((zhong zhi) or (zhang wei)) ;*.