The webapp provides for each item the link on ECB's website.
Speeches for : Luis de Guindos where "nominal" appeared
2023-04-01 : Outlook for the euro area economy and financial stability2022-03-20 : Interview with Handelsblatt
2019-10-03 : Improving macroeconomic stabilisation in the euro area
2018-07-26 : Introductory statement to the press conference (with Q&A)