Perhaps you should try some spelling variations:
clan juan » san juan
juan rene » juan meng, juan rana
wong shiu » wong siu, cong shu, song shin
dong sign » dong sin, among sign, dong bin
yan clan » das clan, yan guan, yan yuan
yang jin » yang jie, yang jun, ying jin
wang » wing, wan, lang

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 yan clan juan rene ((yang jin) OR (yang judy)) ((wong shiu) OR (dong sign)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang yan clan juan rene ((yang jin) or (yang judy)) ((wong shiu) or (dong sign)) ;*.