Perhaps you should try some spelling variations:
yang dewan » yang dean, wang dewen
wang yang » wang yan, wang liang, wang yanling
yang yang » wang yan
yang fan » zhang fan, yang dean, yang jin
di rene » di rete, dr rene, i rene
yang yi » yang di, yang xi, yang jui
hong yu » wong yue

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((wang yang) or (yang dewan)) di rene ((((yang fan) or (yang yang))) or (yang yi)) hong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((wang yang) OR (yang dewan)) di rene ((((yang fan) OR (yang yang))) OR (yang yi)) hong yu ;.
• Adding a wildcard symbol may retrieve word variants: wang ((wang yang) or (yang dewan)) di rene ((((yang fan) or (yang yang))) or (yang yi)) hong yu ;*.