Perhaps you should try some spelling variations:
processes diffusion » processing diffusion, processes decision, processes extrusion
information gis » information gain, information gaps, information grid
gis processes » aims processes, its processes, glass processes
array probing » arrays probing, assay probing, array profiling
array string » array strong, arrays strings, array sharing
array using » arrays using

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 gis processes diffusion ((array string) OR (((array using) OR (array probing))))~.
• Adding a wildcard symbol may retrieve word variants: information gis processes diffusion ((array string) or (((array using) or (array probing))))*.