Perhaps you should try some spelling variations:
information about » information age, information a
spaces extension » spaces extensions, states extension, surfaces extension
array sharing » array string, arrays bearing, array imaging
about spaces » about space, about snakes, about places
array using » arrays using
array fermi » array forming, array format

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

• Performing a fuzzy search may retrieve terms with similar spellings: information about spaces extension ((((array using) or (array sharing))) or (array fermi))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information about spaces extension ((((array using) OR (array sharing))) OR (array fermi)).
• Adding a wildcard symbol may retrieve word variants: information about spaces extension ((((array using) or (array sharing))) or (array fermi))*.