The webapp provides for each item the link on ECB's website.
Speeches for : Jean-Claude Trichet where "stake" appeared
2011-05-15 : Contribution to Bild am Sonntag2010-03-26 : An anchor of stability and confidence
2010-01-26 : Interview with The Wall Street Journal
2006-11-13 : Creating an integrated market for the euro area
2004-01-08 : Introductory statement with Q&A