Perhaps you should try some spelling variations:
yang yuhan » wang yuhan, fang yuan, yan yuan
wang yang » wang yan, wang liang, wang yanling
yuhan hua » tuan hua, yuan hui, yuhuan huang
hua irene » hua ren
yang jin » yang jie, yang jun, ying jin
wong sam » wong sau, wong lai, von sam
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 yang yuhan hua irene yang jin ((wong sam) or (kong sar)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang yuhan hua irene yang jin ((wong sam) OR (kong sar)) ;*.