Perhaps you should try some spelling variations:
presentation » presentacion, presentan, presentado, presentetion, presenteation
presented » presente, presentan, presenteed
presenteaan » presentedans, presentan, presenten, presenteraan, presentean, presentesan, presenteeaan
presentea » presentera, presente, presentes, presenteea
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: (presentation or ((presented or presenteaan) or ((presentea OR presenta) or present)))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (presentation OR ((presented OR presenteaan) OR ((presentea OR presenta) OR present))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(presentation or ((presented or presenteaan) or ((presentea OR presenta) or present)))".
• Adding a wildcard symbol may retrieve word variants: (presentation or ((presented or presenteaan) or ((presentea OR presenta) or present)))*.