Perhaps you should try some spelling variations:
communication functions » communicative functions, communication foundations, communication foundation
based dimensioning » based dimension, based dimensions, fast dimensioning
functions based » function based
ray range » array range, ray anne, ray angle
arrays a » arrays _
array a » array _

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

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