Perhaps you should try some spelling variations:
wong shiu » wong siu, cong shu, song shin
guan rene » juan rene, glas rene
lang yan » wang yan, wang yang, zhang yan
gan guan » yan guan, quan guan, fan guon
yang jin » yang jie, yang jun, ying jin
yan gan » yan guan, yan clan, yan wang
yang xi » yang yi, yang jui

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: lang yan gan guan rene ((((((yang jin) OR (yang di))) OR (yang judy))) OR (yang xi)) wong shiu ;~.
• Adding a wildcard symbol may retrieve word variants: lang yan gan guan rene ((((((yang jin) or (yang di))) or (yang judy))) or (yang xi)) wong shiu ;*.