The webapp provides for each item the link on ECB's website.
Speeches for : Mario Draghi where "stressed" appeared
2014-08-22 : Unemployment in the euro area2014-07-09 : Memorial lecture in honour of Tommaso Padoa-Schioppa
2014-05-26 : Monetary policy in a prolonged period of low inflation
2014-03-06 : Introductory statement to the press conference (with Q&A)
2013-05-23 : Building stability and sustained prosperity in Europe
2013-05-02 : Introductory statement to the press conference (with Q&A)
2013-04-15 : The role of monetary policy in addressing the crisis in the euro area