Perhaps you should try some spelling variations:
comunicaci » comunicar, comunica, comunicativa
comunicacio » comunicaro, comunicao, comunicativao, communication
comunicacion » comunicaron, comunicaon, comunicativaon, communicationn
comunicaro » comunicar, comunicado, comunicarnos
comunicaron » comunicarn, comunicadon, comunicarnosn, comunicacon, comunicarnos, comunication
comunicacao » comunicando, comunicacon, comunicativo
comunicador » comunicadores, comunicar
comunicaon » comunicacon, comunican, comunication
communicationn » communication, communicating, comunication
communications » communication, comunicaciones, comunicativas

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((comunicaci or ((comunicacio or comunicaro) or (comunicacao or comunicador))) or ((((comunicacion OR comunicaon) or communicationn) or comunicaron) or (communicationn or communications))){acute}o.~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((comunicaci OR ((comunicacio OR comunicaro) OR (comunicacao OR comunicador))) OR ((((comunicacion OR comunicaon) OR communicationn) OR comunicaron) OR (communicationn OR communications))){acute}o..
• The words AND, OR and NOT may confuse the search; try adding quotes: "((comunicaci or ((comunicacio or comunicaro) or (comunicacao or comunicador))) or ((((comunicacion OR comunicaon) or communicationn) or comunicaron) or (communicationn or communications))){acute}o.".
• Adding a wildcard symbol may retrieve word variants: ((comunicaci or ((comunicacio or comunicaro) or (comunicacao or comunicador))) or ((((comunicacion OR comunicaon) or communicationn) or comunicaron) or (communicationn or communications))){acute}o.*.