Perhaps you should try some spelling variations:
wang yidan » wang yan
yidan wang » yiqian wang, qian wang, yan wang
khan syed » ahsan syed, shah syed, khan sher
zhang min » zhang ming, chang min, zhang jin
zhang xin » zhang jian, zhang ming, zhang fan
zhang zhi » zhong zhi, wang zhi, zhang wei
than she » khan sher, than one, than we

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