The webapp provides for each item the link on ECB's website.
Speeches for : Mario Draghi where "buy" appeared
2015-03-05 : Introductory statement to the press conference (with Q&A)2015-01-22 : Introductory statement to the press conference (with Q&A)
2014-12-04 : Introductory statement to the press conference (with Q&A)
2014-01-23 : Interview with Neue Zürcher Zeitung
2012-09-14 : Interview with Süddeutsche Zeitung
2012-08-02 : Introductory statement to the press conference (with Q&A)
2011-12-19 : Interview with the Financial Times