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
yang jun » yang jui, pang jun, yang jin
wong sam » wong sau, wong lai, von sam
hua ren » hua chen
sar » sara, star, saur

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 yuhan hua ren ((young john) or (yang jun)) ((wong sam) or (kong sar)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang wang yuhan hua ren ((young john) OR (yang jun)) ((wong sam) OR (kong sar)) ;.
• Adding a wildcard symbol may retrieve word variants: wang wang yuhan hua ren ((young john) or (yang jun)) ((wong sam) or (kong sar)) ;*.