Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
yang john » young john, king john, yang jin
yan yuan » yan guan, fang yuan, nan yan
ren yang » ren yan, chen yang, dan yang
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.

• If you are trying to use Boolean operators, they must be ALL CAPS: lang ((yang yang) OR (yan yuan)) hua ren yang john ((song sam) OR (song pae)) ;~.
• Adding a wildcard symbol may retrieve word variants: lang ((yang yang) or (yan yuan)) hua ren yang john ((song sam) or (song pae)) ;*.