Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yan guan » gan guan, yan yuan, yang guang
pei gang » pei yang, wei guang, der gang
hui yang » hui ying, du yang, hui ping
long do » long d, long du, longer do
h yang » _ yang
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 (yan guan)) mah siew ((pei gang) OR (((hui yang) OR (h yang)))) 3 long do ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yang) or (yan guan)) mah siew ((pei gang) or (((hui yang) OR (h yang)))) 3 long do ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang yang) or (yan guan)) mah siew ((pei gang) or (((hui yang) OR (h yang)))) 3 long do ;*.