Perhaps you should try some spelling variations:
wang wang » wang yang, wang liang, wang yan
yang john » young john, king john, yang jun
yang jin » yang jie, yang jun, ying jin
wong sam » wong sau, wong lai, von sam
dan hua » wang hua, dong hua, tuan hua
tan hua » tuan hua, wang hua, tan chia
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 wang ((dan hua) OR (tan hua)) irene ((yang john) or (yang jin)) ((wong sam) or (kong sar)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang wang ((dan hua) OR (tan hua)) irene ((yang john) OR (yang jin)) ((wong sam) OR (kong sar)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang wang ((dan hua) OR (tan hua)) irene ((yang john) or (yang jin)) ((wong sam) or (kong sar)) ;".
• Adding a wildcard symbol may retrieve word variants: wang wang ((dan hua) OR (tan hua)) irene ((yang john) or (yang jin)) ((wong sam) or (kong sar)) ;*.