Perhaps you should try some spelling variations:
communication relational » communication relating, communication international, communication relationships
relational basic » relational basis, relational logic, translational basic
basic dimensions » based dimension, pacific dimensions, design dimensions
array paving » array planning, array imaging, array probing
array ang » arrays ang, array along, array range
arrays a » arrays _

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

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