Perhaps you should try some spelling variations:
information contents » information content, information concepts, informational content
euclidean plane » euclidean space, euclidean spaces
basics spaces » basics sources, basics series
basic spaces » basic space, basic scales, adic spaces
based spaces » based space, based species, based sales

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: information contents ((basic spaces) OR (((basics spaces) OR (based spaces)))) euclidean plane~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "information contents ((basic spaces) or (((basics spaces) OR (based spaces)))) euclidean plane~".
• Adding a wildcard symbol may retrieve word variants: information contents ((basic spaces) or (((basics spaces) OR (based spaces)))) euclidean plane*.