也许你应该尝试一些拼写变化:
communication conclusion » communication conclusions, communications conclusion, communications concluding
conclusion methods » inclusion methods, convolution methods, conclusion ethics
methods dimension » methods diffusion, ethics dimension, metholodgy dimension
shape spaces » shape space, shared spaces, state spaces
safe spaces » state spaces, scale spaces, life spaces
use spaces » tuple spaces, phase spaces, gauge spaces

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

• If you are trying to use Boolean operators, they must be ALL CAPS: communication conclusion methods dimension ((((use spaces) OR (safe spaces))) OR (shape spaces))~.
• Adding a wildcard symbol may retrieve word variants: communication conclusion methods dimension ((((use spaces) or (safe spaces))) or (shape spaces))*.