Perhaps you should try some spelling variations:
wang ying » wang yang, wang yong, wang jing
chang you » change you, change your, thing you
yang you » yang yao, yang du, yang mu
yang jui » yang judy, yang di
kang hay » eang hay, kang han, dang hai
yang xi » yang di
yang yi » yang di

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 ying ((yang you) OR (chang you)) gain ((yang xi) OR (((yang jui) OR (yang yi)))) kang hay ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ying ((yang you) OR (chang you)) gain ((yang xi) or (((yang jui) or (yang yi)))) kang hay ;~".
• Adding a wildcard symbol may retrieve word variants: wang ying ((yang you) OR (chang you)) gain ((yang xi) or (((yang jui) or (yang yi)))) kang hay ;*.