Perhaps you should try some spelling variations:
boon chong » boon siong, joon chang
chong jin » shang jin, chong en, chong wan
yang jui » yang judy, yang yi
jin wong » jin song, john wong, jin ying
wong sau » wong sam, wong siu, wong shiu
wan yan » wang yan, nan yan, wai yan
yang xi » yang yi

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

• Performing a fuzzy search may retrieve terms with similar spellings: wan yan ((((yang xi) or (yang jui))) or (yang di)) boon chong jin wong sau ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan yan ((((yang xi) OR (yang jui))) OR (yang di)) boon chong jin wong sau ;*.