The webapp provides for each item the link on ECB's website.
Speeches for : Jean-Claude Trichet where "surplus" appeared
2011-09-28 : Interview with Corriere della Sera2011-05-18 : Interview with L’Agefi Hebdo
2010-11-13 : Interview with Le Progrès
2007-11-08 : The emergence of China in the global economy: A European perspective