Perhaps you should try some spelling variations:
communication functions » communicative functions, communication foundations, communication foundation
based dispersion » wave dispersion, gas dispersion, based discussion
functions based » function based
array along » arrays long, array arcing, array paving
array range » ray range
arrays a » arrays _

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

• If you are trying to use Boolean operators, they must be ALL CAPS: communication functions based dispersion ((((array along) OR (array range))) OR (arrays a))~.
• Adding a wildcard symbol may retrieve word variants: communication functions based dispersion ((((array along) or (array range))) or (arrays a))*.