Perhaps you should try some spelling variations:
communication case » communication channels, communication culture
basic dimension » basic dimensions, based dimension, based dimensions
array range » ray range
case basic » cases basic, care basic, laser basic
arrays ang » arrays a
array ang » array along, array nano, array 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 case basic dimension ((((array ang) or (array range))) or (arrays ang))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication case basic dimension ((((array ang) OR (array range))) OR (arrays ang)).
• Adding a wildcard symbol may retrieve word variants: communication case basic dimension ((((array ang) or (array range))) or (arrays ang))*.