Perhaps you should try some spelling variations:
communication information » communication international, communication education
from extensional » from intentional, arity extensional, _ extensional
array string » array strong, arrays strings, array sharing
array arcing » array forming, array probing, array sharing
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 from extensional ((array string) or (((array using) or (array arcing))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication information from extensional ((array string) OR (((array using) OR (array arcing)))).
• Adding a wildcard symbol may retrieve word variants: communication information from extensional ((array string) or (((array using) or (array arcing))))*.