Perhaps you should try some spelling variations:
communication cohesion » communication collections, communication control, communication cost
granite layer » granite layers, 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 (range layers))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication cohesion c extension ((large layer) OR (((granite layer) OR (range layers)))).
• Adding a wildcard symbol may retrieve word variants: communication cohesion c extension ((large layer) or (((granite layer) or (range layers))))*.