Perhaps you should try some spelling variations:
surface diffusion » state diffusion
informatics deep » informatics ieee, informatics helen, informatics ebps
array sharing » arrays bearing, array imaging, way sharing
deep surface » steep surface, deep subsurface, sweep surfaces
array string » array strong, arrays strings, array forming

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: informatics deep surface diffusion ((((array string) or (array sharing))) or (array format))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: informatics deep surface diffusion ((((array string) OR (array sharing))) OR (array format)).
• Adding a wildcard symbol may retrieve word variants: informatics deep surface diffusion ((((array string) or (array sharing))) or (array format))*.