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
yang jin » yang jie, yang jun, ying jin
yang jui » yang judy, yang xi, yang yi
chong c » chang c, chong _, chong en
a chen » ta chen, _ chen, n chen
ngo 1 » nao 1, ngo _, ngo a
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((wang yanling) or (yang jin))) or (((yang di) or (yang jui))))ngo 1 a chen chung boon chong c ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((wang yanling) OR (yang jin))) OR (((yang di) OR (yang jui))))ngo 1 a chen chung boon chong c ;.
• Adding a wildcard symbol may retrieve word variants: ((((wang yanling) or (yang jin))) or (((yang di) or (yang jui))))ngo 1 a chen chung boon chong c ;*.