Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
ryan john » brian john, tian john
john wong » john song, john bonn
wong sein » ong sean, wong shiu, wong siu
yang yaa » yang yao, yang yang, yang maha
ren ryan » ren yan, r ryan
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: wang ((yang yaa) OR (wang yang)) hua ren ryan john wong sein ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((yang yaa) or (wang yang)) hua ren ryan john wong sein ;*.