Perhaps you should try some spelling variations:
yang john » young john, king john, kong john
yuan hua » tuan hua, tan hua, ya hua
yuan hui » yuan fei, jaan hui, tuan hua
yang jin » yang jie, ying jin, shang jin
yang jun » yang jui, pang jun, yang judy
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 ((yuan hua) or (yuan hui)) irene ((yang john) or (((yang jin) OR (yang jun)))) wong sam ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan ((yuan hua) OR (yuan hui)) irene ((yang john) OR (((yang jin) OR (yang jun)))) wong sam ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan ((yuan hua) or (yuan hui)) irene ((yang john) or (((yang jin) OR (yang jun)))) wong sam ;".
• Adding a wildcard symbol may retrieve word variants: wang yan ((yuan hua) or (yuan hui)) irene ((yang john) or (((yang jin) OR (yang jun)))) wong sam ;*.