Perhaps you should try some spelling variations:
hua irene » hua ren
yang john » young john, king john, yang jin
kong john » king john, wong john, longo john
wong sam » wong sau, wong lai, kong sar
yan tan » tan tan, yan clan, yan guan
tan hua » tuan hua, wang hua, tan chia
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 yan tan hua irene ((yang john) or (kong john)) wong sam ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan tan hua irene ((yang john) OR (kong john)) wong sam ;.
• Adding a wildcard symbol may retrieve word variants: wang yan tan hua irene ((yang john) or (kong john)) wong sam ;*.