Remarketing and retargeting on social media?

Question

Facebook

Good evening!
Now I'm studying the topic of pixel in facebook and vkontakte. As far as I understand, if a client visits my site where pixel technology is installed, can I then send ads to these visitors in social networks?
Let's say the client was looking for something through Yandex or google. If the user has not been to my site, then you can use YAN to attract this visitor to my site.
Is it possible to make Yandex and google friends with facebook and vkontakte.
For example, what did the user search for on Yandex (did not visit my site), and after that facebook shows my ad with the topic that the user was looking for?

Answer 1

In VKontakte, their ads are mixed up and from Yandex Direct. (on Facebook, I think that Google adwords is mixed in) Search engines do not share such data, because this is their bread (In short, when you see ads on VKontakte for search queries, this is the Yandex Direct module. And in order to be shown on VKontakte for search words , you need to have a YAN company). So the only way to save your budget is to set up pixels and retarget with parsing audiences by interests, groups, etc.