The webapp provides for each item the link on ECB's website.
Speeches for : Peter Praet where "commitment" appeared
2015-04-16 : Price stability: a sinking will-o'-the-wisp?2014-10-10 : Recent monetary policy measures supporting the euro area recovery
2013-08-06 : Forward guidance and the ECB
2012-05-10 : Managing financial crises: the role of the ECB
2012-05-08 : Address at the event marking the first signatures to the T2S Framework Agreement
2011-12-09 : The State of the global economy