The webapp provides for each item the link on ECB's website.
Speeches for : Vitor Constancio where "savings" appeared
2017-04-06 : Effectiveness of Monetary Union and the Capital Markets Union2016-06-15 : The challenge of low real interest rates for monetary policy
2016-04-13 : International headwinds and the effectiveness of Monetary Policy
2015-11-16 : “Monetary policy and the euro area problem”