Perhaps you should try some spelling variations:
communication creating » communication relating
euclidean minisum » euclidean minimum, euclidean rings
based estimation » based education, based evaluation
euclidean graphs » euclidean spaces, euclidean gibbs, euclidean group
creating based » coating based, grating based, heating based

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication creating based estimation ((euclidean minisum) or (euclidean graphs))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication creating based estimation ((euclidean minisum) OR (euclidean graphs)).
• Adding a wildcard symbol may retrieve word variants: communication creating based estimation ((euclidean minisum) or (euclidean graphs))*.