Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yan, wang yidan
yuhan sher » khan sher
zhang ming » zhang xin
wang qian » wang qiao, wang qin, wang liang
qian wang » yiqian wang, qian rong, qian yan
chang min » chang mae, chang ann, chang won
chan ming » kian ming, chan eng, chan fong
zhong zhi » zhang zhi, hong ghi, zhong tai

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wang qian wang yuhan sher ((((chang min) or (chan ming))) or (zhang ming)) zhong zhi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang qian wang yuhan sher ((((chang min) OR (chan ming))) OR (zhang ming)) zhong zhi ;.
• Adding a wildcard symbol may retrieve word variants: wang qian wang yuhan sher ((((chang min) or (chan ming))) or (zhang ming)) zhong zhi ;*.