The webapp provides for each item the link on ECB's website.
Speeches for : Lorenzo Bini Smaghi where "stress" appeared
2011-06-17 : Intervention at Sveriges Riksbank Conference: Monetary Policy in an Era of Fiscal Stress2011-06-15 : Risk Management in Central Banking
2011-03-30 : Banking supervision and corporate governance in the European architecture
2010-09-29 : Basel III and monetary policy
2009-10-16 : The financial crisis: challenges and responses