Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, yang yang
john song » john wong, john bonn, john ngosong
yan yuan » yan guan, fang yuan, nan yan
ren yang » ren yan, chen yang, ren weng
pei yang » wei yang, hui yang, pei yun
dan yang » daun yang, tan yang, wang yang
song sam » wong sam, kong sar, song pae

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 liang) OR (yan yuan)) hua ((((ren yang) OR (pei yang))) OR (dan yang)) john song sam ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lang ((yang liang) or (yan yuan)) hua ((((ren yang) OR (pei yang))) or (dan yang)) john song sam ;~".
• Adding a wildcard symbol may retrieve word variants: lang ((yang liang) or (yan yuan)) hua ((((ren yang) OR (pei yang))) or (dan yang)) john song sam ;*.