Perhaps you should try some spelling variations:
dong simon » wong simon, dong sin, dowling simon
alan china » japan china, asean china, can china
china rent » china ren, china recent, china real
rent young » rowena young
von simon » wong simon, von sinn
john wong » john bonn
john song » john bonn, john ngosong

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

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