Perhaps you should try some spelling variations:
communication creating » communication relating
method extensions » methods extending
creating method » coating method, clearing method, heating method
shared spaces » shared space, shared stocks
whose spaces » phase spaces, shape spaces, whose race
tuple spaces » tuple space, type spaces, triple space

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

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