Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yan, wang yidan
wang wang » wang yang, wang liang, wang yan
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 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 yuhan hua irene yang jin ((wong sam) OR (wong sau)) ;*".