The webapp provides for each item the link on ECB's website.
Speeches for : Peter Praet where "stances" appeared
2018-08-28 : Monetary and Macroprudential Policy Interactions2015-12-10 : Interview with Handelsblatt
2014-03-12 : Current issues and challenges for central bank communication
2011-11-10 : The (changing) role of central banks in financial stability policies