The webapp provides for each item the link on ECB's website.
Speeches for : Vitor Constancio where "ya" appeared
2016-12-16 : Stijn van Nieuwerburgh's contribution to macroeconomics and finance2012-06-28 : 2011 BernĂ¡cer Prize Award Ceremony in honour of Lasse Heje Pedersen
2011-04-15 : Financial regulatory reform and the economy