Perhaps you should try some spelling variations:
hua irene » hua ren
wong john » wrong john, kong john, longo john
yang jun » yang jui, pang jun, yang jin
wong sam » wong sau, wong lai, kong sar
nan yan » nan ya, wang yan, qian yan
yan hua » tan hua, ya hua, wang hua
wang » wing, 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 or wan) nan yan hua irene ((yang jun) or (wong john)) wong sam ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (wang OR wan) nan yan hua irene ((yang jun) OR (wong john)) wong sam ;.
• Adding a wildcard symbol may retrieve word variants: (wang or wan) nan yan hua irene ((yang jun) or (wong john)) wong sam ;*.