Perhaps you should try some spelling variations:
communication applications » communication education, education applications
applications first » applications fast, applications from
first dimension » first division, fifth dimension, first impression
array string » array strong, arrays strings, array sharing
array arcing » array forming, array probing, array sharing
array range » ray range

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication applications first dimension ((((array string) or (array arcing))) or (array range))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication applications first dimension ((((array string) OR (array arcing))) OR (array range)).
• Adding a wildcard symbol may retrieve word variants: communication applications first dimension ((((array string) or (array arcing))) or (array range))*.