Reminders search on iPhone doesn't find existing items

Search within Reminders on iPhone won't find items that clearly exist, whether or not they are checked off; the same search on Mac finds the item, however. I've tried unchecking the options under System Settings->Reminders->Search, rebooting my phone, then rechecking them, but the bug still reproduces. This has existed over many versions of iOS, and I'm finding it very frustrating that it continues to go unfixed.