Perhaps you should try some spelling variations:
communication conclusions » communication solutions, communication contributions, communications connections
conclusions methods » conclusion methods, inclusion methods, conclusions authors
methods diffusion » networks diffusion, methods decision
phase spaces » phase space, shape spaces, scale spaces
state spaces » state space
use spaces » tuple spaces, gauge spaces, whose spaces

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication conclusions methods diffusion ((use spaces) or (((phase spaces) or (state spaces))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication conclusions methods diffusion ((use spaces) OR (((phase spaces) OR (state spaces)))).
• Adding a wildcard symbol may retrieve word variants: communication conclusions methods diffusion ((use spaces) or (((phase spaces) or (state spaces))))*.