Perhaps you should try some spelling variations:
longo john » kong john, wong john
wang yang » wang yan, wang liang, wang yanling
yang xuan » wang xuan, yang guang, yang dean
hua irene » hua ren
yang john » young john, king john, yang jin
xuan hua » tuan hua, xuan thuy, tan hua
wong sam » wong sau, wong lai, kong sar

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 xuan hua irene ((yang john) or (longo john)) ((wong sam) or (kong (sar or saur))) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang xuan hua irene ((yang john) OR (longo john)) ((wong sam) OR (kong (sar OR saur))) ;.
• Adding a wildcard symbol may retrieve word variants: wang yang xuan hua irene ((yang john) or (longo john)) ((wong sam) or (kong (sar or saur))) ;*.