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

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