Perhaps you should try some spelling variations:
yao yang » yang yang
yang hua » wang hua, yang hui, ying hua
ren ying » jin ying, en yin, fan ying
ran ying » fan ying, tan ying, jin ying
jin wong » jin song, john wong, jin ying
wong sam » wong sau, wong lai, kong sar
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) yao yang hua ((ren ying) OR (ran ying)) jin wong sam ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(wang or wan) yao yang hua ((ren ying) OR (ran ying)) jin wong sam ;~".
• Adding a wildcard symbol may retrieve word variants: (wang or wan) yao yang hua ((ren ying) OR (ran ying)) jin wong sam ;*.