The webapp provides for each item the link on ECB's website.
Speeches for : Mario Draghi where "openness" appeared
2017-10-13 : IMFC Statement2017-09-22 : Youth unemployment in the euro area
2017-08-25 : Sustaining openness in a dynamic global economy
2017-02-02 : Security through unity: making integration work for Europe
2015-11-11 : Cross-border markets and common governance