If you know of a website that your customers visit, consider adding it as a managed placement. If your typical customer spends a lot of time on Shtoor.com and you want your ads to appear there, add it as a managed placement.
Remember, placements can be one of two types: managed placements or automatic placements.
You can add placements to ad groups in your Display Network campaigns. To do so, your campaign must target the Display Network, which includes "Search Network with Display Select" campaigns.
Make conversions by retargeting.Adding managed placements