The webapp provides for each item the link on ECB's website.
Speeches for : Benoit Coure where "enhanced" appeared
2018-09-17 : Forward guidance and policy normalisation2018-09-05 : Interview with Kathimerini
2018-07-09 : Interview with Bloomberg TV
2018-06-25 : Interview with Le Figaro
2014-07-13 : Interview with Kathimerini