Perhaps you should try some spelling variations:
communication conclusion » communication conclusions, communications conclusion, communications concluding
conclusion methods » inclusion methods, convolution methods, conclusion ethics
methods dimension » methods diffusion, ethics dimension, metholodgy dimension
phase spaces » phase space, shape spaces, state spaces
safe spaces » state spaces, shape spaces, scale spaces
use spaces » tuple spaces, gauge 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 conclusion methods dimension ((((use spaces) or (safe spaces))) or (phase spaces))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication conclusion methods dimension ((((use spaces) OR (safe spaces))) OR (phase spaces)).
• Adding a wildcard symbol may retrieve word variants: communication conclusion methods dimension ((((use spaces) or (safe spaces))) or (phase spaces))*.