Perhaps you should try some spelling variations:
presentations » presentation, representations, presentaciones, presentetions, presenteations
presentado » presentan, presented, presentar, presentedo, presenteado
presenter » presente, presented, presentar, presenteer
presentean » presentan, presenten, presenteen, presenteean
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 (((presentado or presenter) or presentean) or (presenta or present)))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (presentations OR (((presentado OR presenter) OR presentean) OR (presenta OR present))).
• Adding a wildcard symbol may retrieve word variants: (presentations or (((presentado or presenter) or presentean) or (presenta or present)))*.