Perhaps you should try some spelling variations:
communication cohesion » communication collections, communication control, communication cost
granite layers » range layers, finite layers, gemnte layers
granite layer » granule layer, granite under
c extension » c extensions, _ extension, 3 extension
large layer » charge layer, large lakes, large lake
cohesion c » cohesion _, cohesion a, cohesin _

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication cohesion c extension ((large layer) OR (((granite layer) OR (granite layers))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "communication cohesion c extension ((large layer) OR (((granite layer) OR (granite layers))))".
• Adding a wildcard symbol may retrieve word variants: communication cohesion c extension ((large layer) OR (((granite layer) OR (granite layers))))*.