Perhaps you should try some spelling variations:
information iteration » information integration, information interaction, information operation
iteration matrix » interaction matrix, operation matrix, operational matrix
matrix extension » matrix extensions, material extension, matrix expression
array forming » array format, array arcing, array fermi
array formats » array format, assay formats, array formulas
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 iteration matrix extension ((((array forming) or (array using))) or (array formats))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information iteration matrix extension ((((array forming) OR (array using))) OR (array formats)).
• Adding a wildcard symbol may retrieve word variants: information iteration matrix extension ((((array forming) or (array using))) or (array formats))*.