Perhaps you should try some spelling variations:
john wong » john song, john bonn
yang jin » yang jie, yang jun, ying jin
yang jui » yang judy, yang di, yang xi
wong sau » wong sam, wong siu, wong shiu
lu xing » le xing, lu ding, lu xin
ku ying » ka ying, ku ring, hui ying
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 ((yang jin) or (yang jui)) ((lu xing) or (ku ying)) john wong sau ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan ((yang jin) OR (yang jui)) ((lu xing) OR (ku ying)) john wong sau ;*.