The webapp provides for each item the link on ECB's website.
Speeches for : Vitor Constancio where "stagnation" appeared
2017-08-23 : Investment and growth in advanced economies: selected takeaways from the ECB’s Sintra Forum2016-04-13 : International headwinds and the effectiveness of Monetary Policy
2014-06-19 : Recent challenges to monetary policy in the euro area