Perhaps you should try some spelling variations:
surface diffusion » state diffusion
information gis » information gain, information gaps, information grid
array sharing » arrays bearing, array imaging, way sharing
array arcing » array forming, array probing, array using
array string » array strong, arrays strings, array forming
gis surface » gas surface, gibbs surface, axis surface

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 surface diffusion ((array arcing) or (((array sharing) or (array string))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information gis surface diffusion ((array arcing) OR (((array sharing) OR (array string)))).
• Adding a wildcard symbol may retrieve word variants: information gis surface diffusion ((array arcing) or (((array sharing) or (array string))))*.