This may have just worked itself out. Since I posted this, I started seeing the random entry present a few new entries.
Glossary
Improving the random algorithm
གྲོས་བསྟུན་འདི་བསྡམས་ཡོདཔ་ལས་ ལན་གསལ་བརྐྱབ་མི་ཚུགས་