The webapp provides for each item the link on ECB's website.
Speeches for : Benoit Coure where "head" appeared
2019-04-23 : Interview with Frankfurter Allgemeine Zeitung2017-10-29 : Interview with Le Journal du Dimanche
2017-02-02 : Outlook for monetary policy in the euro area
2014-12-17 : Interview with Wall Street Journal