Perhaps you should try some spelling variations:
communication collection » communication collections, communication connection, communication collective
methods dimension » methods diffusion, ethics dimension, metholodgy dimension
gauge spaces » large space, use spaces
safe spaces » state spaces, shape spaces, scale spaces
type spaces » state 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 collection methods dimension ((((gauge spaces) or (safe spaces))) or (type spaces))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication collection methods dimension ((((gauge spaces) OR (safe spaces))) OR (type spaces)).
• Adding a wildcard symbol may retrieve word variants: communication collection methods dimension ((((gauge spaces) or (safe spaces))) or (type spaces))*.