"snack shop" is correct and usable in written English.
You could use it to describe a store that sells snacks, such as "We stopped by the snack shop to pick up a snack for the movie theatre."
Kenka is the kind of snack shop and tavern known as an izakaya in Japan.
In the snack shop you could find cartons of 100% juice imported from Thailand for $2.
These days it seems there's a snack shop or pirate DVD stand on every other block in parts of Havana.
One man, who declined to give his name, said he, too, had lost his business — a snack shop — last year.
Later he stood under the snack shop awning while rain fell hard — blessedly briefly — and the "Ice Age" credits rolled.
His father, also retired, was the ice cream maker for Mullen's Dairy, an ice cream and snack shop.
He was leaning on a Jetta, smoking a cigarette, when I got out of the prison snack shop.
Later, I stopped off at Chocolate & Charms, a gift-and-snack shop in Heylipol, for a cup of rich, creamy hot chocolate.
For French fast food with a Caribbean twist, check out the beachside cafes like Le Snack Shop, an open-air snack bar right on Les Salines Beach, that serves chicken sandwiches for 3.80 euros and grilled merguez with fries for 7 euros.
After descending on the escalator, head left to a corridor marked "For Passenger Concourse Use Only," adjacent to the Grove Snack Shop.
