Perhaps you should try some spelling variations:
yan guang » yang guang, yan guan, gan guan
guang hua » wang hua, gang hu, guang eu
ping john » king john, kong john, wong john
ren ping » chen ping, yuen ping, fun ping
wong sam » wong sau, wong lai, von sam
hua ren » hua chen
wang » wing, wan, lang
sar » sara, star, saur

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yan guang hua ren ping john ((wong sam) or (kong sar)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan guang hua ren ping john ((wong sam) OR (kong sar)) ;*.