Perhaps you should try some spelling variations:
longo john » kong john, wong john
wang wang » wang yang, wang liang, wang yan
wang xuan » wang xiuyan, wang xueman, wang yuhan
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 wang xuan hua irene ((yang john) OR (longo john)) ((wong sam) OR (kong (sar OR saur))) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang wang xuan hua irene ((yang john) OR (longo john)) ((wong sam) OR (kong (sar OR saur))) ;".
• Adding a wildcard symbol may retrieve word variants: wang wang xuan hua irene ((yang john) OR (longo john)) ((wong sam) OR (kong (sar OR saur))) ;*.