Perhaps you should try some spelling variations:
information spaces » information sources, information series, information services
using dimensions » using dimension, using dimensional, using dimensionless
array formats » array format, assay formats, array formulas
array forming » array format, array arcing, array fermi
spaces using » space using, surfaces using
array using » arrays using

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

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