WP search function not picking up on numbers?

Hi all!

My client has a lot of PDF files on their site, which are all named in the format NUMBER – KEYWORD, i.e. a file could be “55 – Pond fishing”. The files are then linked as embedded text, and the text is the exact same as the file names.

However, when using WP’s standard search bar, it doesn’t pick up on the numbers. Searching for numbers makes other pages show up in the result, but not the ones where I know that 55 is.

The client specifically wants to be able to search by the numbers, so what is going wrong here?

I’m using DIVI as a theme, if that matters.

 

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