The webapp provides for each item the link on ECB's website.
Speeches for : Lucas Papademos, Jean-Claude Trichet where "possibility" appeared
2009-01-15 : Introductory statement with Q&A2008-10-02 : Introductory statement with Q&A
2008-02-07 : Introductory statement with Q&A
2007-01-11 : Introductory statement with Q&A