The webapp provides for each item the link on ECB's website.
Speeches for : Lorenzo Bini Smaghi where "substantial" appeared
2010-01-26 : Reflections on the exit strategy2009-03-30 : Developments and Prospects for the European Economy in 2009
2007-01-18 : Global capital and national monetary policies
2006-05-08 : The Growth of Pension Funds and Financial Markets: Implications for Central Banks