Perhaps you should try some spelling variations:
communication conversion » communication conversation, communications convention, communication cohesion
conversion offset » conversion fast, conversion effects, conversion based
offset estimation » effort estimation, robust estimation, cost estimation
euclidean graphs » euclidean spaces, euclidean gibbs, euclidean group
euclidean rings » euclidean gibbs, euclidean minisum, euclidean random

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

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