Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
ryan john » brian john, tian john
yan yuan » yan guan, fang yuan, nan yan
yan john » gain john, tian john, von john
song sam » wong sam, kong sar, song so
song pae » song ze
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)) hua ren ((yan john) OR (ryan john)) ((song sam) or (song pae)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang ((yang guang) OR (yan yuan)) hua ren ((yan john) OR (ryan john)) ((song sam) OR (song pae)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lang ((yang guang) or (yan yuan)) hua ren ((yan john) OR (ryan john)) ((song sam) or (song pae)) ;".
• Adding a wildcard symbol may retrieve word variants: lang ((yang guang) or (yan yuan)) hua ren ((yan john) OR (ryan john)) ((song sam) or (song pae)) ;*.