Perhaps you should try some spelling variations:
communication cost » communication cross, communication case, communication control
methods dimension » methods diffusion, ethics dimension, metholodgy dimension
cost methods » cost method, cast methods, most methods
whose spaces » phase spaces, shape spaces, whose race
gauge spaces » large space, safe spaces, use 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 cost methods dimension ((((whose spaces) or (gauge spaces))) or (type spaces))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication cost methods dimension ((((whose spaces) OR (gauge spaces))) OR (type spaces)).
• Adding a wildcard symbol may retrieve word variants: communication cost methods dimension ((((whose spaces) or (gauge spaces))) or (type spaces))*.