Perhaps you should try some spelling variations:
surface diffusion » state diffusion
information maps » information gaps, information may, information madm
array processing » dairy processing, query processing
maps surface » mars surface, gas surface, cans surface
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 maps surface diffusion ((((array arcing) or (array format))) or (array processing))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information maps surface diffusion ((((array arcing) OR (array format))) OR (array processing)).
• Adding a wildcard symbol may retrieve word variants: information maps surface diffusion ((((array arcing) or (array format))) or (array processing))*.