Perhaps you should try some spelling variations:
euclidean spaces » euclidean space
information set » information sheet, information asset, information sheets
basics sources » basics resources, basic source, basics series
euclidean case » euclidean phase, euclidean ramsey, euclidean space
basic spaces » basics spaces, basic space, based spaces

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

• Performing a fuzzy search may retrieve terms with similar spellings: information set ((basic spaces) or (basics sources)) ((euclidean case) or (euclidean spaces))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information set ((basic spaces) OR (basics sources)) ((euclidean case) OR (euclidean spaces)).
• Adding a wildcard symbol may retrieve word variants: information set ((basic spaces) or (basics sources)) ((euclidean case) or (euclidean spaces))*.