Perhaps you should try some spelling variations:
yang guang » yang yang, yang liang
yang john » young john, king john, yang jin
john song » john wong, john bonn, john ngosong
yan guan » gan guan, yan yuan, yihan guan
ren yang » ren yan, chen yang, dan yang
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.

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