Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
wang yang » wang yan, wang liang, wang yanling
guang hua » wang hua, gang hu, guang eu
john song » john wong, john bonn, john ngosong
pei yang » wei yang, hui yang, yi yang
song pae » song ze
pei yun » lei kyun, mei yung, wei yuan

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

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