Perhaps you should try some spelling variations:
communication control » communication concepts, communication culture, communication channel
control computer » cobol computer
computer designs » computer design, computer designed, computers design
tuple spaces » tuple space, type spaces, triple space
state spaces » state space
safe spaces » shape spaces, scale spaces, life 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 control computer designs ((tuple spaces) or (((safe spaces) or (state spaces))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication control computer designs ((tuple spaces) OR (((safe spaces) OR (state spaces)))).
• Adding a wildcard symbol may retrieve word variants: communication control computer designs ((tuple spaces) or (((safe spaces) or (state spaces))))*.