Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
wang yang » wang yan, wang liang
siew pei » siew hai, chew pei, siew ee
pei yang » wei yang, hui yang, pei yun
long do » long d, long du, longer do
yang 3 » yang _, yang 8, gang 3
3 long » a long, 2 long, 3.2 long
mah » math

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) OR (wang yanling))) OR (yang guang)) mah siew pei yang 3 long do ;~.
• Adding a wildcard symbol may retrieve word variants: ((((wang yang) or (wang yanling))) or (yang guang)) mah siew pei yang 3 long do ;*.