Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yan, wang yidan
yuhan kang » yuan kang, chan kang, yuhuan huang
wang qian » wang qiao, wang qin, wang liang
qian wang » yiqian wang, qian rong, qian yan
kang yong » kang young, wang yong, kong young
lin ling » liu ling, ling liong, lin meng

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang qian wang yuhan kang yong ((yi rong) OR (lin ling)) hai ;~.
• Adding a wildcard symbol may retrieve word variants: wang qian wang yuhan kang yong ((yi rong) or (lin ling)) hai ;*.