The webapp provides for each item the link on ECB's website.
Speeches for : Benoit Coure where "dispersion" appeared
2019-03-29 : Heterogeneity and the ECB’s monetary policy2018-06-15 : The euro area economic outlook and completion of EMU
2018-05-14 : The future of central bank money
2017-06-30 : Convergence matters for monetary policy