Perhaps you should try some spelling variations:
comunicaci » comunicacio, comunicar, comunica
comunicacion » comunicacioon, comunicaron, comunicaon
comunicaciones » comunicacioones, comunicarones, comunicaones, comunicacio
comunicao » comunicado, comunicar, comunica
comunicaon » comunicadon, comunicarn, comunican, comunicacon, comunication
comunicaro » comunicar, comunicado, comunicarnos
comunicaron » comunicarn, comunicadon, comunicarnosn, comunicacon, comunicarnos, comunication
communications » 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 ((comunicao or comunicaro) or comunicaro)) or ((comunicaon or (comunicaron or comunicacion)) or (communication or (communications OR comunicaciones)))){acute}o.~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((comunicaci OR ((comunicao OR comunicaro) OR comunicaro)) OR ((comunicaon OR (comunicaron OR comunicacion)) OR (communication OR (communications OR comunicaciones)))){acute}o.*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((comunicaci or ((comunicao or comunicaro) or comunicaro)) or ((comunicaon or (comunicaron or comunicacion)) or (communication or (communications OR comunicaciones)))){acute}o.*".