Talvez debería tentar con algunhas variantes ortográficas:
instruction comprehensive » introduction comprehensive, introduction comprehension, constructive comprehension
comprehensive programming » comprehensive program, comprehensive programs, comprehension programmed
tension concepts » extension concepts, tensor concepts, revision concepts
sensor concept » center concept

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: instruction comprehensive programming ((tension concepts) OR (sensor concept)) cited~.
• Adding a wildcard symbol may retrieve word variants: instruction comprehensive programming ((tension concepts) or (sensor concept)) cited*.