The webapp provides for each item the link on ECB's website.
Speeches for : Mario Draghi where "deleveraging" appeared
2017-04-06 : Monetary policy and the economic recovery in the euro area2015-12-14 : Monetary policy and structural reforms in the euro area
2014-10-09 : Recovery and Reform in the euro area
2014-03-25 : A consistent strategy for a sustained recovery
2012-03-26 : Remarks at the Annual Reception of the Association of German Banks