Perhaps you should try some spelling variations:
yan yuan » yan guan, fang yuan, nan yan
yuan hua » tuan hua, yuan hui, tan hua
hua rene » hua ren, juan rene
yang jin » yang jie, yang jun, ying jin
yang jui » yang judy, yang xi, yang yi
wong sau » wong sam, wong siu, wong shiu
wang » wing, 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 OR wan) yan yuan hua rene ((yang jin) OR (((yang jui) OR (yang di)))) wong sau ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(wang or wan) yan yuan hua rene ((yang jin) or (((yang jui) OR (yang di)))) wong sau ;~".
• Adding a wildcard symbol may retrieve word variants: (wang or wan) yan yuan hua rene ((yang jin) or (((yang jui) OR (yang di)))) wong sau ;*.