Perhaps you should try some spelling variations:
yang guang » yang yang, yang liang
chen king » chen ping, chen jing, machen king
john song » john wong, john bonn, john ngosong
yan guan » gan guan, yihan guan, quan guan
yan yuan » fang yuan, nan yan, yan clan
hua chen » jui chen, yu chen, a chen
song sam » wong sam, kong sar, song pae

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

• Performing a fuzzy search may retrieve terms with similar spellings: wan ((((yan guan) or (yang guang))) or (yan yuan)) hua chen king john song sam ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan ((((yan guan) OR (yang guang))) OR (yan yuan)) hua chen king john song sam ;.
• Adding a wildcard symbol may retrieve word variants: wan ((((yan guan) or (yang guang))) or (yan yuan)) hua chen king john song sam ;*.