Perhaps you should try some spelling variations:
chun zeng » chua beng
zeng doug » jeng dong, zeng douglas
wing tan » wing ian, liang tan, hong tan
wing sun » liang sun, cong sun, nina sun
gan yuan » gan guan, yan yuan, fang yuan
yuan lin » yuan li, duan lian, huang lin
lin chun » lin chih, lee chun, lin tun
dong di » dong sin
sind » find, wind, kind

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((((wing tan) or (wing sun))) or (dong di)) gan yuan lin chun zeng doug sind ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((wing tan) OR (wing sun))) OR (dong di)) gan yuan lin chun zeng doug sind ;*.