Perhaps you should try some spelling variations:
cheng than » cheng han, cheng zhang, cheng guan
law chung » law china
chung sue » chung hee, chung jae, chung yee
wing tan » wing ian, liang tan, hong tan
cong sun » cong shu, cong van, wing sun
tang yun » yang yun, chang yun, fang yuan
than law » than a, than bad, than bau

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 (cong sun)) ((tang yun) OR ((yang OR lang) di)) cheng than law chung sue ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wing tan) or (cong sun)) ((tang yun) or ((yang OR lang) di)) cheng than law chung sue ;~".
• Adding a wildcard symbol may retrieve word variants: ((wing tan) or (cong sun)) ((tang yun) or ((yang OR lang) di)) cheng than law chung sue ;*.