Thanks! I really appreciate your follow-up that included the solution that worked for you.
The first time I ran the keyword search, it returned only 155 results, and I got the question wrong (3 times). The second time through, after a reboot, on your advice, it returned 253.
(Version 4.1.4.0 on an old Dell i3 laptop w/ 8GB RAM. It takes quite a while to complete an ingest module - CPU and memory are running at 96%!)