Perhaps you should try some spelling variations:
china rent » china recent, china real, china reza
china ren » china loren, china real, china reza
wong john » wrong john, kong john, longo john
wong shiu » cong shu, song shin, wong sau
long sin » dong sin, long span, long run
wong siu » kong siu, wong sau, wong siew
sin can » sin cain, tin can, simon can

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

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