Perhaps you should try some spelling variations:
controls dimensions » control dimension, countries dimensions, central dimensions
circuits controls » circuits control, circuit control, circus control
tuple spaces » tuple space, type spaces, triple space
state spaces » state space
whose spaces » phase spaces, shape spaces, whose race

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

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