Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
liang tan » liang dan, liang sun
wong chun » wang chun, fong chan, jong chan
ong cheng » hong cheng, zong cheng, ong chong
wing tan » wing ian, hong tan, tin tan
yan guan » gan guan, yan yuan, yang guang
chun ong » chung tong
cheng lu » cheng chu, chen yu, cheng _
dong di » dong sin

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: ((((wing tan) OR (liang tan))) OR (dong di)) ((yan guan) OR (yang yang)) wong chun ong cheng lu ;~.
• Adding a wildcard symbol may retrieve word variants: ((((wing tan) or (liang tan))) or (dong di)) ((yan guan) or (yang yang)) wong chun ong cheng lu ;*.