The webapp provides for each item the link on ECB's website.
Speeches for : Christine Lagarde where "efficient" appeared
2023-11-24 : Now is the time to climate-proof Europe’s economy2022-11-07 : Digital euro: a common European project
2022-02-14 : 20th anniversary of the entry into circulation of euro banknotes and coins
2021-04-12 : Interview with CNBC
2020-11-30 : The future of money – innovating while retaining trust
2020-06-13 : The path out of uncertainty