Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
guan rene » juan rene, glas rene
yang gan » yang fan, yang guang, yang dean
gan guan » yan guan, quan guan, fan guon
wong sau » wong siu, wong shiu, wong lai
wong sam » wong lai, kong sar, von sam
yang yi » yang xi, yang jui

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang gan guan rene ((yang yi) or (yang di)) ((wong sau) or (wong sam)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang gan guan rene ((yang yi) OR (yang di)) ((wong sau) OR (wong sam)) ;*.