Perhaps you should try some spelling variations:
cain china » can china, china china, spain china
china rent » china ren, china recent, china real
rent young » rowena young
john wong » john bonn
john song » john bonn, john ngosong
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 rent young ((john wong) OR (john song)) shiu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong sin cain china rent young ((john wong) OR (john song)) shiu ;".
• Adding a wildcard symbol may retrieve word variants: dong sin cain china rent young ((john wong) OR (john song)) shiu ;*.