Perhaps you should try some spelling variations:
communication affection » communication affecting, communicating affection, communication effective
affection methods » infection methods, advection methods, infections methods
methods diffusion » networks diffusion, methods decision
tuple spaces » tuple space, type spaces, triple space
state spaces » state space
phase spaces » phase space, shape spaces, scale 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 affection methods diffusion ((((tuple spaces) or (state spaces))) or (phase spaces))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication affection methods diffusion ((((tuple spaces) OR (state spaces))) OR (phase spaces)).
• Adding a wildcard symbol may retrieve word variants: communication affection methods diffusion ((((tuple spaces) or (state spaces))) or (phase spaces))*.