Perhaps you should try some spelling variations:
communication conversation » communication information, communication cohesion, communication communication
conversation matter » conversation patterns, conversation markers, conversation manager
matter dispersion » matter dispersive, water dispersion, water dispersions
damage layers » damage markers, damage levels, range layers
image layer » image liver, charge layer

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication conversation matter dispersion ((image layer) or (damage layers))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication conversation matter dispersion ((image layer) OR (damage layers)).
• Adding a wildcard symbol may retrieve word variants: communication conversation matter dispersion ((image layer) or (damage layers))*.