There’s only one way to write nowhere, somewhere, and anywhere, and that is as one word. If you write them as no where, some where, and any where, you’re making a mistake.
He was no where to be found.
Tony tried to build his own business, but it went nowhere .
Some where over the rainbow there’s candy waiting for you.
He lost his key somewhere on his route home.
Any where she went, she was looking for something that resembled her home.
He felt comfortable anywhere he went for the holidays.