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
sher zhang » zhen zhang
shen chang » when change, chin chang, han chang
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) OR (shen chang)) 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) OR (shen chang)) xin ((zhong zhi) OR (zhang wei)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yidan wang yuhan ((sher zhang) OR (shen chang)) xin ((zhong zhi) or (zhang wei)) ;".
• Adding a wildcard symbol may retrieve word variants: wang yidan wang yuhan ((sher zhang) OR (shen chang)) xin ((zhong zhi) or (zhang wei)) ;*.