Perhaps you should try some spelling variations:
presentations » presentation, representations, presentacion, presentetions, presenteations
presentaciones » representaciones, presentacion, presentation, presenteciones, presenteaciones
presentado » presentan, presented, presentar, presentedo, presenteado
presenter » presente, presented, presentar, presenteer
presenteen » presentesen, presenten, presentee, presenteeen
presenta » presente, presentea
present » presente

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((presentations OR presentaciones) or (((presentado or presenter) or presenteen) or (presenta or present)))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((presentations OR presentaciones) OR (((presentado OR presenter) OR presenteen) OR (presenta OR present))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((presentations OR presentaciones) or (((presentado or presenter) or presenteen) or (presenta or present)))".
• Adding a wildcard symbol may retrieve word variants: ((presentations OR presentaciones) or (((presentado or presenter) or presenteen) or (presenta or present)))*.