Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
wong john » wrong john, kong john, longo john
john song » john wong, john bonn, john ngosong
yan yuan » yan guan, fang yuan, yan clan
ren wong » ren weng
song sam » wong sam, kong sar, song pae
nan yan » nan ya, wang yan, qian yan
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 yuan) or (nan yan)))) hua ren wong john song sam ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang ((yang guang) OR (((yan yuan) OR (nan yan)))) hua ren wong john song sam ;.
• Adding a wildcard symbol may retrieve word variants: lang ((yang guang) or (((yan yuan) or (nan yan)))) hua ren wong john song sam ;*.