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