"getting some snacks" is correct and usable in written English.
You can use it when referring to the act of obtaining snacks. For example, "After school, I'm going to the store to get some snacks for later."
At one point, Fiore asked: "Did you guys eat dinner?" "No, we've got some snacks,," Sean Anderson responded.
"If I'd known we were having a party, I'd have gotten some snacks," said Mr. M with a lopsided grin, slim and young-looking in his Yankees cap.
Mr. Islam has said that he turned away for just a moment to get some snacks and that when he turned back, the girls were wading in knee-deep water and were swiftly carried away by the strong tides.
My dad was going to get out and get some snacks and something to drink, but the truck driver said: 'I think it's best for y'all not to get down [out of the van].'Giveive me your money, and I'll get whatever y'all need,'" Calais Jr recounted the van driver saying, in his father's telling.
If you've pulled into a store's parking lot and send your friend inside to get some snacks or whatever, don't leave the engine running.
Then head over to a special pantry area for Business Class passengers to socialize or get some snacks between meals.
Meantime, if you'd like to join the hunt for Bigfoot, without leaving the comfort and warmth of home, get some snacks together, sit in front of your computer and start watching Animal Planet's live, 24-hour Bigfoot Cam.
I am off to the Lounge car and plug in my computer to the electrical outlets and get some snacks -- fresh fruit, baked cookies, coffee, tea and hot chocolate which are out the whole trip.
