The webapp provides for each item the link on ECB's website.
Speeches for : Yves Mersch where "oil" appeared
2019-06-29 : Economic and monetary policy at a turning point – where is the economy heading in Europe, the United States and China?2016-02-02 : Interview with Wall Street Journal
2015-11-15 : Interview with Les Echos
2015-10-13 : Speech at MNI Connect event
2015-05-18 : Swedbank Economic Outlook Seminar
2015-04-08 : Interview with Börsen-Zeitung