Perhaps you should try some spelling variations:
information ground » information grounds, information group, information grid
state diffusion » surface diffusion
array sharing » arrays bearing, array imaging, way sharing
ground state » ground water
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: information ground state diffusion ((((array string) or (array sharing))) or (array format))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information ground state diffusion ((((array string) OR (array sharing))) OR (array format)).
• Adding a wildcard symbol may retrieve word variants: information ground state diffusion ((((array string) or (array sharing))) or (array format))*.