The webapp provides for each item the link on ECB's website.
Speeches for : Yves Mersch where "expansion" appeared
2018-10-10 : Monetary policy in the euro area - a brief assessment2018-04-27 : Reflections on monetary policy in the euro area
2018-03-19 : Challenges facing monetary policy in the euro area
2017-07-25 : The ECB’s monetary policy stance
2016-10-11 : Speaking points for an event organised by MNI Connect
2014-10-17 : Monetary policy and economic inequality