create targeted advertising campaigns

I want to create targeted advertising campaigns with minimal cost and powerful resultsنتائج
Important note ((content is in Arabic and is ready))
I need to create advertising campaigns on social media in order to get sales for my product
My product is a study of many technical projects that can be sold
I have a website
A very professional person is required in targeting the buyer customer
On all social media platforms
Twitter, Snapchat and Google Adwords
I want to target
The following countries have:
Saudi Arabia Kuwait Bahrain UAE Oman Qatar

It is very important for me to see very successful advertising campaigns ((yours))