The webapp provides for each item the link on ECB's website.
Speeches for : Peter Praet where "respond" appeared
2017-03-15 : The euro area economic outlook and monetary policy2015-12-11 : The transmission of recent non-standard measures
2013-10-18 : Household heterogeneity and the transmission mechanism
2011-11-10 : The (changing) role of central banks in financial stability policies