Perhaps you should try some spelling variations:
surface diffusion » state diffusion
information sers » information users, information sets, information series
array processing » dairy processing, query processing
sers surface » series surface, lasers surface, ceres surface
array arcing » array forming, array probing, array sharing
array string » array strong, arrays strings, 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 sers surface diffusion ((array arcing) OR (((array string) OR (array processing))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "information sers surface diffusion ((array arcing) OR (((array string) OR (array processing))))".
• Adding a wildcard symbol may retrieve word variants: information sers surface diffusion ((array arcing) OR (((array string) OR (array processing))))*.