Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yan, wang yidan
young john » kong john, wong john, young jean
wang wang » wang yang, wang liang, wang yan
yuhan hua » tuan hua, yuan hui, yuhuan huang
kong sara » kong sar
yang jun » yang jui, pang jun, yang jin
wong sam » wong sau, wong lai, kong sar
hua ren » hua chen

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "wang wang yuhan hua ren ((young john) OR (yang jun)) ((wong sam) OR (kong sara)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang wang yuhan hua ren ((young john) OR (yang jun)) ((wong sam) OR (kong sara)) ;*.