Perhaps you should try some spelling variations:
communication case » communication channels, communication culture
methods diffusion » networks diffusion, methods decision
diffusion diane » diffusion de, diffusion case, diffusion flame
diane induced » diode induced, disease induced, change induced
case methods » care methods, case method, cae methods

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication case methods diffusion diane induced~.
• Adding a wildcard symbol may retrieve word variants: communication case methods diffusion diane induced*.