Question
Why doesn't the search function in pdf produce any results at all?
The problem is that I have a book that I purchased it as a pdf file and initially when I wanted to search for a word with the F + CTL function I found matches for the words I was looking for. And recently something has happened and the search brings no results at all, not even a single letter that must be in the document.
And I get the following answer: Adobe Acrobat Readr has finished searching the document. No matches were.
