By default a summary of all the certificates of the selected type (according to menu selection) will be listed in the order in which they were added.
You can:

View the details of any of the entries by clicking on the hyperlinked Surname

Sort the order in which the entries are displayed (e.g. by name, date, place) by clicking on any blue column heading. The sorts will toggle between acending and decending (so to reverse the order click again on the heading).

Search/filter for a specific surname using the search box and clicking the search symbol.