The webapp provides for each item the link on ECB's website.
Speeches for : Lucas Papademos, Jean-Claude Trichet where "shock" appeared
2008-07-03 : Introductory statement with Q&A2008-06-05 : Introductory statement with Q&A
2008-04-10 : Introductory statement with Q&A
2005-09-01 : Introductory statement with Q&A
2005-07-07 : Introductory statement with Q&A
2004-11-04 : Introductory statement with Q&A