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