Perhaps you should try some spelling variations:
chung boon » cheng boon, chung woojin
chen chung » chen chuling, chen shuang, chen chuan
boon chong » boon siong, joon chang
wang yang » wang yan, wang liang, wang yanling
yang jui » yang judy, yang yi
chong en » chong wan, chong yun, chong _
yang xi » yang yi
ng yew » ong yew
n chen » _ chen, a chen, z chen
yew n » yew _

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) or (yang jui))) or (((yang di) or (yang xi))))ng yew n chen chung boon chong en ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((wang yang) OR (yang jui))) OR (((yang di) OR (yang xi))))ng yew n chen chung boon chong en ;.
• Adding a wildcard symbol may retrieve word variants: ((((wang yang) or (yang jui))) or (((yang di) or (yang xi))))ng yew n chen chung boon chong en ;*.