Talvez debería tentar con algunhas variantes ortográficas:
communication cohesion » communication collections, communication cost, communication apprehension
communication control » communication concepts, communication culture, communication channel
based extension » based extraction
extension a49 » extension a, extension 9, extension act
livre » live, litre

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((communication cohesion) or (communication control)) based extension a49 livre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((communication cohesion) OR (communication control)) based extension a49 livre.
• Adding a wildcard symbol may retrieve word variants: ((communication cohesion) or (communication control)) based extension a49 livre*.