The webapp provides for each item the link on ECB's website.
Speeches for : Vitor Constancio where "sudden" appeared
2018-01-17 : Interview with La Repubblica2018-01-17 : Interview with La Repubblica
2017-12-14 : Introductory statement to the press conference (with Q&A)
2016-10-20 : Introductory statement to the press conference (with Q&A)