Perhaps you should try some spelling variations:
doing sine » doing time, doing science
fine china » size china, finance china, famines china
wrong john » strong john, kong john, bowring john
sine fine » fine line, die fine, line file
china ren » china loren, china real, china reza
wong john » kong john, longo john, young john
wong sau » wong sam, wong siu, wong shiu

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: doing sine fine china ren ((wrong john) OR (wong john)) ((wong sau) OR (cong shu)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doing sine fine china ren ((wrong john) OR (wong john)) ((wong sau) or (cong shu)) ;~".
• Adding a wildcard symbol may retrieve word variants: doing sine fine china ren ((wrong john) OR (wong john)) ((wong sau) or (cong shu)) ;*.