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