Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
fang yuan » wang yuhan, wang yan, meng yuan
john song » john wong, john bonn, john ngosong
yan yuan » yan guan, nan yan, yan clan
yan john » ryan john, gain john, tian john
song sam » wong sam, kong sar, song pae
hua ren » hua chen

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 ((yang guang) OR (((yan yuan) OR (fang yuan)))) hua ren yan john song sam ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yang guang) or (((yan yuan) OR (fang yuan)))) hua ren yan john song sam ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((yang guang) or (((yan yuan) OR (fang yuan)))) hua ren yan john song sam ;*.