The webapp provides for each item the link on ECB's website.
Speeches for : Benoit Coure where "promises" appeared
2019-03-11 : Interview with Corriere della Sera2016-11-21 : Addressing Europe's economic and political challenges
2013-01-21 : The three dimensions of the euro area crisis
2012-10-01 : Collateral scarcity - a gone or a going concern?