Perhaps you should try some spelling variations:
array processing » dairy processing, query processing
information gis » information gain, information gaps, information grid
state diffusion » surface diffusion
array forming » array format, array arcing, array fermi
array using » arrays using
gis state » ppgis state

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

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