I am not sure if I am doing this right, I don't look for wills very often, but I can't see a way of entering the month of death? I entered "Pay" with year of death, because I knew it was there, but had to go through 12 pages of "Payne" before finding the one I wanted, which was followed by a few more Paynes. I seem to remember it was always a bit random, but there is probably a logic I haven't discerned.
Findmypast took me straight to the right page!