Perhaps you should try some spelling variations:
information agents » information age, information access, information about
using dimensional » one dimensional, high dimensional, n dimensional
array formulas » area formulas, harrop formulas, array format
arrays string » arrays strings, array string, arrays sorting
array arcing » array forming, array probing, array sharing

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 using dimensional ((((array arcing) or (array formulas))) or (arrays string))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information agents using dimensional ((((array arcing) OR (array formulas))) OR (arrays string)).
• Adding a wildcard symbol may retrieve word variants: information agents using dimensional ((((array arcing) or (array formulas))) or (arrays string))*.