Perhaps you should try some spelling variations:
surface diffusion » state diffusion
array processing » dairy processing, query processing
information gas » information gaps, information gap, information gis
array string » array strong, arrays strings, array sharing
gas surface » its surface, trans surface
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 gas surface diffusion ((((array using) OR (array string))) OR (array processing))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "information gas surface diffusion ((((array using) OR (array string))) OR (array processing))".
• Adding a wildcard symbol may retrieve word variants: information gas surface diffusion ((((array using) OR (array string))) OR (array processing))*.