Perhaps you should try some spelling variations:
juan rene » juan meng, juan rana
lang yan » wang yan, wang yang, zhang yan
yang jin » yang jie, yang jun, ying jin
cong sun » cong shu, cong van
wing sun » liang sun, nina sun, wing ian
zi juan » zi yuan
yan zi » yan zhi, yuan zi, ban zi

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: lang yan zi juan rene ((tuan minh) OR (yang jin)) ((cong sun) OR (wing sun)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lang yan zi juan rene ((tuan minh) or (yang jin)) ((cong sun) OR (wing sun)) ;~".
• Adding a wildcard symbol may retrieve word variants: lang yan zi juan rene ((tuan minh) or (yang jin)) ((cong sun) OR (wing sun)) ;*.