Perhaps you should try some spelling variations:
communication function » communication functions, communication foundation, communicative functions
based dimension » based dispersion, basic dimensions, based extension
array forming » array format, array arcing, array fermi
array imaging » arrays imaging, airway imaging, ray imaging
arrays ang » arrays a

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication function based dimension ((((array forming) or (array imaging))) or (arrays ang))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication function based dimension ((((array forming) OR (array imaging))) OR (arrays ang)).
• Adding a wildcard symbol may retrieve word variants: communication function based dimension ((((array forming) or (array imaging))) or (arrays ang))*.