Perhaps you should try some spelling variations:
young john » kong john, wong john, young jean
hua irene » hua ren
john wong » john song, john bonn
anh tuan » dinh tuan, oanh tran
anh tran » oanh tran, binh tran
hua chen » jui chen, yu chen, a chen
wong sam » wong sau, wong lai, kong sar

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 ((anh tuan) OR (anh tran)) ((hua irene) OR (hua chen)) young john wong sam ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((anh tuan) OR (anh tran)) ((hua irene) or (hua chen)) young john wong sam ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((anh tuan) OR (anh tran)) ((hua irene) or (hua chen)) young john wong sam ;*.