Perhaps you should try some spelling variations:
comunicaci » comunicar, comunica, comunicativa
comunicacio » comunicaro, comunicao, comunicativao, communication
comunicacion » comunicaron, comunicaon, comunicativaon, communicationn
comunicativao » comunicativa, comunicativas, comunicativo
comunicado » comunicador, comunicando, comunicacon
comunication » communication, comunicativos, comunicativa
communications » communication, comunicaciones, comunicativas

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: ((comunicaci OR ((comunicacio OR comunicativao) OR comunicado)) OR ((comunicacion OR comunication) OR (comunication OR communications))){acute}o.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((comunicaci or ((comunicacio OR comunicativao) or comunicado)) or ((comunicacion or comunication) or (comunication or communications))){acute}o.~".
• Adding a wildcard symbol may retrieve word variants: ((comunicaci or ((comunicacio OR comunicativao) or comunicado)) or ((comunicacion or comunication) or (comunication or communications))){acute}o.*.