The webapp provides for each item the link on ECB's website.
Speeches for : Peter Praet where "uncertainties" appeared
2019-03-29 : Interview with Bloomberg TV2019-02-18 : Interview with Börsen-Zeitung
2018-03-16 : Interview with Reuters
2016-11-18 : The euro area economy, monetary policy and structural reforms
2016-10-06 : Turn cyclical recovery into a structural recovery
2014-10-10 : Recent monetary policy measures supporting the euro area recovery
2013-07-18 : Interview with Handelsblatt