The webapp provides for each item the link on ECB's website.
Speeches for : Philip R. Lane where "conventional" appeared
2021-08-19 : The new monetary policy strategy: implications for rate forward guidance2020-02-21 : The monetary policy toolbox: evidence from the euro area
2020-02-11 : Low inflation: macroeconomic risks and the monetary policy stance
2020-02-05 : The future of the euro