Perhaps you should try some spelling variations:
communication conversation » communication information, communication cohesion, communication communication
conversation de » conversation made, conversation _, conversation a
dimension area » dimension free, dimension real, dimension based
dimension age » dimension a49, dimension based, dimension high
dimension a » dimension _

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 de ((((dimension age) or (dimension a))) or (dimension area)) layer~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication conversation de ((((dimension age) OR (dimension a))) OR (dimension area)) layer.
• Adding a wildcard symbol may retrieve word variants: communication conversation de ((((dimension age) or (dimension a))) or (dimension area)) layer*.