Getting accurate results about half the time searching my own content. Probably harder for me because I have over hundreds of thousands of messages in gmail and

Getting accurate results about half the time searching my own content. Probably harder for me because I have over hundreds of thousands of messages in gmail and tens of thousands of files in my drive. example of successfully retrieving a PDF: https://i.imgur.com/Y6cSlCx.png https://i.imgur.com/Y6cSlCx.png