Using the full sticker sheet for #60150 Pizza Van set as an example, there are a few options.
If you have the full sticker sheet, you might be able to find a part number for the sticker sheet (in this case 29583/6174606), it can usually be found at the bottom and/or near 'LEGO GROUP'. Use either Bricklink sticker search or Google to find the original set. ...
After cross-referencing Part 3039 with the crystal piece shown on the sticker, Part 52, in each shade of green, I found it: Clash of the Heroes from the Batman vs. Superman sets. The sticker itself is sheet 76044stk01b.
Welcome. This is part 52031pb093 - Wedge 4 x 6 x 2/3 Triple Curved with Gold and Silver Ring Ornament on Dark Green Pattern (Sticker) which comes from set 76006 Iron Man: Extremis Sea Port Battle from 2013.
There are a few that I'm aware of.
Here's one from the 7208 Fire Station:
And another from the 7288 Mobile Police Unit:
This TV element from the 7639 Camper may also work for you:
These are all very affordable on Bricklink. Note that they are stickered parts. I'm not aware of printed parts with this pattern, but perhaps someone else here knows of some.
Assuming these stickers are applied to the correct parts, you can search on Bricklink in the following categories: Slope, Decorated and Tile, Decorated (these links start at the pages where 2x2 slope and 2x2 tile first appear, respectively).
I didn't find anything looking like yours, which can mean one of three things:
I didn't look hard enough (there ...
Bricklink lists this as a sticker over assembly
Part # BA55pb01 : Stickered Assembly 4 x 1 x 2 with Arctic Technic Logo Pattern on Both Sides (Stickers) - Set 8640 - 2 Slopes 45 2 x 1, 1 Slope, Inverted 45 2 x 1
8640-1: Polar Copter
The trend I found on Bricklink is a news icon graphic with an image of a lined globe and the letters "TV".
This is the earliest set that has multiple iconography with this Globe TV theme.
This theme evolves in later sets to TV 6+ News Channel/Station still sporting a lined Globe.
Here is a set with this modification on that TV6 theme.