Perhaps you should try some spelling variations:
communication conversation » communication information, communication cohesion, communication communication
conversation data » conversational data, conversion data, conversation quanta
data dimension » data dimensions, data dimensional, dati dimensioni
theory charge » theory change, theory chapter, theory case

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 data dimension theory charge~.
• Adding a wildcard symbol may retrieve word variants: communication conversation data dimension theory charge*.