I don't know really how,but it's somehow possible to get Minecraft Global key with Turkey restricted region key with the same price

Many sellers are selling Global with price of Turkey/ARgentina version:
https://www.kinguin.net/category/127386/minecraft-java-bedrock-edition-for-pc-windows-10-cd-key
https://www.eneba.com/other-minecraft-java-bedrock-edition-pc-official-website-key-global

There are many more offers