Perhaps you should try some spelling variations:
communication collections » communication applications, communication cohesion, communication foundations
collections basic » collecting basic, collections asia, collections based
basic dimensions » based dimension, pacific dimensions, design dimensions
arrays ang » arrays a
ray range » ray anne, ray angle, ray triangle

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

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