Perhaps you should try some spelling variations:
liang sudan » liang dan, liang sun
sudan chen » sudan ch
yan liang » yang liang, wang liang, you liang
yang jui » yang judy, yang xi
yang jun » pang jun, yang jin, yang judy
wong siu » wong shiu, kong siu, wong sau
wan yan » wang yan, nan yan, wai yan
yang yi » yang xi

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: wan yan liang sudan chen ((((yang yi) OR (yang di))) OR (((yang jui) OR (yang jun)))) wong siu ;~.
• Adding a wildcard symbol may retrieve word variants: wan yan liang sudan chen ((((yang yi) or (yang di))) or (((yang jui) or (yang jun)))) wong siu ;*.