Be careful about few things: If you are living in the EU and ask to remove results about you, it will usually remove these results only for all EU versions of Google. This means that if someone has a VPN he can actually see them by connecting to a US server. The best strategy is to remove the original contents from sites also by contacting the owners. Then the results on Google will become outdated and most of them will disappear. In some cases like Facebook comments, they can remain in the search results even if they are already removed because they were cached by the search engine. In this case this tool should be used once the content is removed: https://support.google.com/webmasters/answer/7041154?hl=en
Remember also that other search engines like Bing may have results about you so, you should reach also their support pages if you really want to be forgotten.