Perhaps you should try some spelling variations:
young john » kong john, wong john, young jean
wang wang » wang liang, wang yan, wang yong
wang yang » wang yan, wang liang, wang yanling
john wong » john song, john bonn
jaan hui » yuan hui
wong sam » wong sau, wong lai, kong sar
tuan vu » thanh vu, tuan hua

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang wang) OR (wang yang)) ((jaan hui) OR (tuan vu)) irene young john wong sam ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang wang) OR (wang yang)) ((jaan hui) or (tuan vu)) irene young john wong sam ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang wang) OR (wang yang)) ((jaan hui) or (tuan vu)) irene young john wong sam ;*.