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