Perhaps you should try some spelling variations:
communication control » communication concepts, communication culture, communication channel
dimension euclidean » dimensional euclidean, dimension evelien
communication cost » communication cross, communication case, communication concepts
euclidean spaces » euclidean space
asian dimension » human dimension, asian division, mean dimension

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 cost) OR (communication control)) asian dimension euclidean spaces~.
• Adding a wildcard symbol may retrieve word variants: ((communication cost) or (communication control)) asian dimension euclidean spaces*.