The webapp provides for each item the link on ECB's website.
Speeches for : Mario Draghi where "highly" appeared
2017-11-07 : European banking supervision three years on2017-01-31 : Welcome address
2015-07-02 : Opening remarks at the T2S launch celebration
2015-01-02 : Interview with Handelsblatt
2013-06-25 : Stable Euro, Strong Europe