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
chong ha » chang ha, chong nam, chong wan
yang xi » yang jui
yang yi » yang jui
a chen » ta chen, _ chen, n chen
ng ye » ng yew, ong ye
ye a » yet a, e a, me a

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