Perhaps you should try some spelling variations:
information agents » information age, information access, information about
methods extension » method extension, method extensions, methods expression
agents methods » genes methods, agent method, ants methods
array string » array strong, arrays strings, array sharing
array arcing » array forming, array probing, array sharing
array using » arrays using

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

• Performing a fuzzy search may retrieve terms with similar spellings: information agents methods extension ((((array string) or (array using))) or (array arcing))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information agents methods extension ((((array string) OR (array using))) OR (array arcing)).
• Adding a wildcard symbol may retrieve word variants: information agents methods extension ((((array string) or (array using))) or (array arcing))*.