Perhaps you should try some spelling variations:
young john » kong john, wong john
young jean » young men, young eun, young man
wang dan » wang yan, wang ban, wang yidan
dan tran » dan phan
tran hua » tan hua, tuan hua, tran duc
hua chen » jui chen, yu chen, a chen
yang jui » yang judy, yang di, yang xi
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 dan tran hua chen ((((young john) OR (young jean))) OR (yang jui)) wong sam ;~.
• Adding a wildcard symbol may retrieve word variants: wang dan tran hua chen ((((young john) or (young jean))) or (yang jui)) wong sam ;*.