Search in a text selection won't show
It's really annoying that I select some text and I want to Find/Replace something in that selected text and I can't do that within the Find/Replace window. Is this a bug or is there another reason why I can't do this?
Bastian S. commented
Could be because you have selected Table-Cells and not the actual text content.
Try selecting some text that should work.
Otherwise you have to select the Frame and use story
Also you can limit your search to a set paragraph style.. etc.