Perhaps you should try some spelling variations:
communication infectious » communication interactions, complications infectious, communication affection
infectious methods » infections methods, injections methods, infection methods
gauge spaces » large space
safe spaces » state spaces, shape spaces, scale spaces
use spaces » tuple spaces, phase spaces, whose 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 infectious methods section ((((gauge spaces) or (safe spaces))) or (use spaces))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication infectious methods section ((((gauge spaces) OR (safe spaces))) OR (use spaces)).
• Adding a wildcard symbol may retrieve word variants: communication infectious methods section ((((gauge spaces) or (safe spaces))) or (use spaces))*.