Perhaps you should try some spelling variations:
wang yidan » wang yan
yidan wang » yiqian wang, qian wang, yan wang
shen chang » when change, chin chang, han chang
wang khan » wang shawn, wang yuhan, wang yan
khan shen » han shen, khan sher, khan syed
chang xin » zhang xin, chang min, chang ann
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 khan shen chang xin ((zhong zhi) or (zhang wei)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yidan wang khan shen chang xin ((zhong zhi) OR (zhang wei)) ;.
• Adding a wildcard symbol may retrieve word variants: wang yidan wang khan shen chang xin ((zhong zhi) or (zhang wei)) ;*.