Perhaps you should try some spelling variations:
yan yuan » yan guan, fang yuan, nan yan
vu irene » _ irene
yang jin » yang jie, yang jun, ying jin
wong sam » wong sau, wong lai, kong sar
song min » song ming, gong min, jong min
wai yan » wang yan, wei yang
yuan vu » tuan vu, yuan hui

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: wai yan yuan vu irene yang jin ((wong sam) OR (song min)) ;~.
• Adding a wildcard symbol may retrieve word variants: wai yan yuan vu irene yang jin ((wong sam) or (song min)) ;*.