Perhaps you should try some spelling variations:
wang wang » wang liang, wang yan, wang yong
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 lai, kong sar, von sam
wong sau » wong siu, wong shiu, wong lai

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) OR (wang yang)) yuhan hua irene yang jin ((wong sam) or (wong sau)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang wang) OR (wang yang)) yuhan hua irene yang jin ((wong sam) OR (wong sau)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang wang) OR (wang yang)) yuhan hua irene yang jin ((wong sam) or (wong sau)) ;*".