Perhaps you should try some spelling variations:
lang yang » wang yang, lang lang, ylang ylang
yang yang » wang yang, wang yan
wong john » wrong john, kong john, longo john
wong siew » long view
wong siu » wong shiu, kong siu, wong sau
yang xu » yang xi, yang du, yang mu
l wong » l wang, y wong
shin » skin, sein, thin

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

• If you are trying to use Boolean operators, they must be ALL CAPS: lang yang yang xu l wong john ((((wong siu) OR (wong siew))) OR (song shin)) ;~.
• Adding a wildcard symbol may retrieve word variants: lang yang yang xu l wong john ((((wong siu) or (wong siew))) or (song shin)) ;*.