Searching for specific phrases on the forum doesn't always work

I have emails which I have responded to, to add comments to specific posts. If I paste some of that text into the search, it searches for posts with those words in, but not as a complete piece of text. If I add quotes around it, it still doesn't find the post.

(Although trying this with another post on here seems to work.)

The text I'm searching with (including quotes): "Some descriptions I edited the other day are missing text in-game"