Perhaps you should try some spelling variations:
yang john » young john, king john, yang jin
john wong » john song, john bonn
tuan hua » tan hua, tuan vu, yuan hui
tan chia » tuan china, than china, can china
jaan hui » yuan hui
wong sam » wong sau, wong lai, kong sar
wang » wing, wan, lang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wang yan ((((tuan hua) or (tan chia))) or (jaan hui)) irene yang john wong sam ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan ((((tuan hua) OR (tan chia))) OR (jaan hui)) irene yang john wong sam ;.
• Adding a wildcard symbol may retrieve word variants: wang yan ((((tuan hua) or (tan chia))) or (jaan hui)) irene yang john wong sam ;*.