Perhaps you should try some spelling variations:
information offices » information officers, information officer, information office
spaces diffusion » shapes diffusion, surfaces diffusion, waves diffusion
offices spaces » office spaces, office space
array string » array strong, arrays strings, array sharing
array fermi » 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 offices spaces diffusion ((((array format) or (array string))) or (array fermi))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information offices spaces diffusion ((((array format) OR (array string))) OR (array fermi)).
• Adding a wildcard symbol may retrieve word variants: information offices spaces diffusion ((((array format) or (array string))) or (array fermi))*.