Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
guan rene » juan rene, glas rene
yang yan » yang yang, wang yan, yang fan
yan guan » gan guan, yan yuan, yang guang
wong sau » wong sam, wong shiu, wong lai
wong siu » wong shiu, kong siu, wong siew
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 yan guan rene ((yang yi) or (yang di)) ((wong sau) or (wong siu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang yan guan rene ((yang yi) OR (yang di)) ((wong sau) OR (wong siu)) ;*.