Perhaps you should try some spelling variations:
presentations » presentation, representations, presentaciones, presentetions, presenteations
presentado » presented, presentar, presentedo, presenteado
presentedo » presented, presentando, presentados, presenteedo
presentan » presente, presenten, presentean
presentacion » presentecion, presenteacion
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 presentacion) or presentedo) or presentan) or (presenta or present)))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (presentations OR ((((presentado OR presentacion) OR presentedo) OR presentan) OR (presenta OR present))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(presentations or ((((presentado OR presentacion) or presentedo) or presentan) or (presenta or present)))".
• Adding a wildcard symbol may retrieve word variants: (presentations or ((((presentado OR presentacion) or presentedo) or presentan) or (presenta or present)))*.