Perhaps you should try some spelling variations:
information aggregation » information integration, information propagation, information organization
aggregation sites » aggregation states, aggregation size, aggregation issues
array profiling » array processing, microarray profiling
array string » array strong, arrays strings, array sharing
array arcing » array forming, array probing, array sharing
sites case » states case

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

• If you are trying to use Boolean operators, they must be ALL CAPS: information aggregation sites case ((((array string) OR (array arcing))) OR (array profiling))~.
• Adding a wildcard symbol may retrieve word variants: information aggregation sites case ((((array string) or (array arcing))) or (array profiling))*.