The webapp provides for each item the link on ECB's website.
Speeches for : Mario Draghi where "flexibility" appeared
2019-02-22 : Sovereignty in a globalised world2017-10-18 : Structural reforms in the euro area
2017-07-20 : Introductory statement to the press conference (with Q&A)
2015-05-22 : Structural reforms, inflation and monetary policy
2015-03-16 : Speech by the President at SZ Finance Day 2015