Where is it?

Is there a way of maybe putting in a key word or two to find where a post is please? I'm looking for one which was about white stuff on soil but can't find it in the places I've looked. - if so......where do I put the key word.....?
Thank you

 

Google site search can sometimes be more efective than using forum search, which I try once then swop to Google

But neither that, nor GC's search would've worked in this instance because you're using the wrong search term, it should have been 'white fluff'.

http://gardenerscorner.co.uk/forum/threads/weird-white-fluff-on-raised-veg-bed.103980/

So a 3rd option, asking if anybody remembers the post should work if searching fails.