Can't find an older pages document back
I'm very busy on pages and I lost a document.
Normally I can find it back in pages by going to 'recent documents'. I never payed attention to where my macbook saved the document and continued working on different stuff in pages. But now that I need that file back, I can't seem to find it. Not even in the tab 'recent documents'. I can't seem to find it on my macbook either. not by typing in the documents name, not by checking all documents in pages. I'm pretty sure i did never delete it.
MacBook Air 13″, macOS 10.14