The webapp provides for each item the link on ECB's website.
Speeches for : Mario Draghi where "disinflation" appeared
2016-02-04 : How central banks meet the challenge of low inflation2015-12-04 : Global and domestic inflation
2014-05-26 : Monetary policy in a prolonged period of low inflation
2014-01-23 : Interview with Neue Zürcher Zeitung