The webapp provides for each item the link on ECB's website.
Speeches for : Peter Praet where "credibility" appeared
2014-03-12 : Current issues and challenges for central bank communication2014-02-22 : Interview with Expresso
2013-05-22 : Monetary policy in the context of balance sheet adjustments
2013-01-29 : Speech on the occasion of the “Annual Danish Top Executive Summit 2013”