The webapp provides for each item the link on ECB's website.
Speeches for : Sabine Lautenschlager where "return" appeared
2018-03-15 : The banks and the market2017-09-15 : Monetary policy – what’s next?
2017-06-01 : Banks business models: keeping pace?
2016-11-07 : Two years and three days of European banking supervision - what has changed?
2016-09-13 : Monetary policy in uncertain times - the ECB and the crisis
2016-03-01 : Navigating uncertainty - governance, risk management and leveraged finance
2015-04-02 : Interview with Wirtschaftswoche