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
john wong » john song, john bonn
wong shiu » wong siu, cong shu, song shin
sin cain » sin fin, tin can
sin can » 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) OR (sin cain)) ((china rent) or (china ren)) wong john wong shiu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: long ((sin can) OR (sin cain)) ((china rent) OR (china ren)) wong john wong shiu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "long ((sin can) OR (sin cain)) ((china rent) or (china ren)) wong john wong shiu ;".
• Adding a wildcard symbol may retrieve word variants: long ((sin can) OR (sin cain)) ((china rent) or (china ren)) wong john wong shiu ;*.