Perhaps you should try some spelling variations:
introduction comprehensive » introduction comparative
comprehensive programmed » comprehensive programme, comprehension programmed, comprehensive programming
fusion concepts » design concepts, solution concepts
sensor concepts » sensor concept, tensor concepts, sensors concept

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

• Performing a fuzzy search may retrieve terms with similar spellings: introduction comprehensive programmed ((fusion concepts) or (sensor concepts)) cited~.
• If you are trying to use Boolean operators, they must be ALL CAPS: introduction comprehensive programmed ((fusion concepts) OR (sensor concepts)) cited.
• Adding a wildcard symbol may retrieve word variants: introduction comprehensive programmed ((fusion concepts) or (sensor concepts)) cited*.