Perhaps you should try some spelling variations:
information spaces » information sources, information series, information services
pages expression » patens expression, rage expression, plants expression
spaces pages » spaces pauses, spaces spaces, faces pages
array string » array strong, arrays strings, array sharing
array arcing » array forming, array probing, array sharing

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 pages expression ((array string) OR (((array format) OR (array arcing))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "information spaces pages expression ((array string) OR (((array format) OR (array arcing))))".
• Adding a wildcard symbol may retrieve word variants: information spaces pages expression ((array string) OR (((array format) OR (array arcing))))*.