Perhaps you should try some spelling variations:
communication reflection » communication affection, communication collections, communication section
reflection method » selection method
method diffusion » methods diffusion, methane diffusion, method discussion
whose spaces » phase spaces, shape spaces, whose race
tuple spaces » tuple space, type spaces, triple space
safe spaces » state spaces, 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 reflection method diffusion ((safe spaces) or (((whose spaces) or (tuple spaces))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication reflection method diffusion ((safe spaces) OR (((whose spaces) OR (tuple spaces)))).
• Adding a wildcard symbol may retrieve word variants: communication reflection method diffusion ((safe spaces) or (((whose spaces) or (tuple spaces))))*.