Perhaps you should try some spelling variations:
changed john » change john, changed our, changed post
chasse john » change john, class john, chassama john
wang yang » wang yan, wang liang, wang yanling
yang yang » wang yan
yang java » yang maha
java when » data when
kong siu » kong eiu, wong siu, dong sin

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: wang yang yang java when ((chasse john) OR (changed john)) kong siu ;~.
• Adding a wildcard symbol may retrieve word variants: wang yang yang java when ((chasse john) or (changed john)) kong siu ;*.