Perhaps you should try some spelling variations:
change john » changed john, chasse john, change japan
wang yao » wang yan, yang yao, gang yao
yao yang » yang yang
wong siu » wong shiu, wong sau, wong siew
kong siu » kong eiu, dong sin, kong sar
yang ka » yang fan, yang yao
ka when » a when, bay when, sea when

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yao yang ka when change john ((wong siu) or (kong siu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yao yang ka when change john ((wong siu) OR (kong siu)) ;.
• Adding a wildcard symbol may retrieve word variants: wang yao yang ka when change john ((wong siu) or (kong siu)) ;*.