Perhaps you should try some spelling variations:
communication communications » communication communication, communication communicating, communications communication
pacific dimensions » pacific dimension, basic dimensions, pacific division
design dimensions » design decisions
causal role » causes role, causal model, causal force

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication communications ((design dimensions) or (pacific dimensions)) causal role~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication communications ((design dimensions) OR (pacific dimensions)) causal role.
• Adding a wildcard symbol may retrieve word variants: communication communications ((design dimensions) or (pacific dimensions)) causal role*.