The webapp provides for each item the link on ECB's website.
Speeches for : Isabel Schnabel where "upside" appeared
2023-08-31 : Disinflation and the Phillips curve2023-06-19 : The risks of stubborn inflation
2021-12-22 : Interview with Le Monde
2021-11-23 : Interview with Bloomberg
2021-07-03 : Escaping low inflation?