The webapp provides for each item the link on ECB's website.
Speeches for : Mario Draghi where "spillover" appeared
2019-02-22 : Sovereignty in a globalised world2017-08-25 : Sustaining openness in a dynamic global economy
2016-06-28 : The International Dimension of Monetary Policy
2014-09-25 : Interview of Mario Draghi with Lithuanian business daily Verslo Zinios