Perhaps you should try some spelling variations:
presentada » presentadas, presentado, presentados, presenteada, presentaada, presentanada
presentaban » presentan, presentaron, presentadas, presenteaban, presentaaban, presentanaban, presentaran, presentadasn, presentarann
presentation » presentacion, presentaron, presentan, presenteation, presentaation, presentanation
present » presente, presenta, presentan
presentaba » presenteaba, presentaaba, presentanaba, presentara, presentadas, presentaran

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((presentada OR presentaban) OR presentation) OR present) OR presentaba) of the Philippines~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((presentada OR presentaban) OR presentation) OR present) OR presentaba) of the Philippines".
• Adding a wildcard symbol may retrieve word variants: ((((presentada OR presentaban) OR presentation) OR present) OR presentaba) of the Philippines*.