Version: Indesign 17.x, Windows 10
Description: Find/Change dialog cannot find a text that has two or more conditions set when you select one of these to find.
Step to reproduce:
1. Write some text and mark a word.
2. Create two conditions, A and B, and assign them to that word. Exit edit mode.
3. Open Find/Change and set the filter in "Conditions" to find condition A only.
Result: Indesign cannot find a match. Logical bug.

P. S. I wanted to add an INDD to demonstrate, but software says it's not allowed