The webapp provides for each item the link on ECB's website.
Speeches for : Luis de Guindos where "speed" appeared
2023-10-04 : The inflation outlook and monetary policy in the euro area2021-05-03 : Interview with La Repubblica
2020-07-26 : Interview with El Independiente
2020-07-01 : Interview with La Stampa
2019-01-09 : Interview with Latvian TV