Perhaps you should try some spelling variations:
communication information » communication international, communication education
based extension » based extraction
array forming » array format, array arcing, array fermi
array strong » array string, array sharing, norway strong
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: communication information based extension ((array strong) or (((array using) or (array forming))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication information based extension ((array strong) OR (((array using) OR (array forming)))).
• Adding a wildcard symbol may retrieve word variants: communication information based extension ((array strong) or (((array using) or (array forming))))*.