The webapp provides for each item the link on ECB's website.
Speeches for : Lucas Papademos, Jean-Claude Trichet where "supply" appeared
2009-08-06 : Introductory statement with Q&A2009-07-02 : Introductory statement with Q&A
2009-04-02 : Introductory statement with Q&A
2008-06-05 : Introductory statement with Q&A