Perhaps you should try some spelling variations:
cain china » can china, china china, spain china
longo john » wong john
china ren » china loren, china real, china reza
kong john » king john, wong john, wrong john
wong shiu » wong siu, song shin, wong sau
sin cain » sin fin, tin can
dong » doing, long, done

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

• Performing a fuzzy search may retrieve terms with similar spellings: dong sin cain china ren ((longo john) OR (kong john)) ((wong shiu) or (cong shu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong sin cain china ren ((longo john) OR (kong john)) ((wong shiu) OR (cong shu)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong sin cain china ren ((longo john) OR (kong john)) ((wong shiu) or (cong shu)) ;".
• Adding a wildcard symbol may retrieve word variants: dong sin cain china ren ((longo john) OR (kong john)) ((wong shiu) or (cong shu)) ;*.