You can obtain individual Maria Divine Mercy (MDM) messages from the link below, which also allows searching for keywords:
http://mdmlastprophet.com/individual-messages/
The PDF files are, of course, still available here, so please make sure that you download a copy.
LIST OF ALL WEBSITES ABOUT MDM INTERNATIONAL AND IN ENGLISH:
https://fatherofloveandmercy.wordpress.com/2015/07/10/list-of-worldwide-websites-blogs-with-all-the-messages-prayers-given-to-maria-divine-mercy/