Perhaps you should try some spelling variations:
surfaces diffusion » surface diffusion, surfaces dimension, stresses diffusion
informatics rough » information rough, bioinformatics rough, informatics group
array arcing » array forming, array probing, array sharing
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: informatics rough surfaces diffusion ((((array using) OR (array arcing))) OR (array string))~.
• Adding a wildcard symbol may retrieve word variants: informatics rough surfaces diffusion ((((array using) or (array arcing))) or (array string))*.