Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yan, wang yidan
wang wang » wang yang, wang liang, wang yan
yuhan vu » tuan vu
vu irene » _ irene
yang jin » yang jun, ying jin, shang jin
yang jie » yang di, yang jui, 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 wang yuhan vu irene ((yang jin) OR (yang jie)) wong sam ;~.
• Adding a wildcard symbol may retrieve word variants: wang wang yuhan vu irene ((yang jin) or (yang jie)) wong sam ;*.