Talvez debería tentar con algunhas variantes ortográficas:
introduction comprehensive » introduction comparative
comprehensive programmed » comprehensive programme, comprehension programmed, comprehensive programming
tension concepts » extension concepts, revision concepts, decision concepts
tensor concepts » sensor concepts, sensor concept, error concepts

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: introduction comprehensive programmed ((tensor concepts) OR (tension concepts)) cited~.
• Adding a wildcard symbol may retrieve word variants: introduction comprehensive programmed ((tensor concepts) or (tension concepts)) cited*.