One example is the story of the sons of John Kerry and Joe Biden partnering together to form a private equity fund which received money from the Chinese government, and then using that money to acquire strategically sensitive assets, in some cases partnering with firms accused by the US government of hacking US companies for intellectual property:

https://nypost.com/2018/03/15/inside-the-shady-private-equit...

They did all this while their fathers were undertaking sensitive high-level negotiations with the Chinese government.

If you try Googling for keywords related to this story, Google will claim to have indexed thousands of related pages, but will only serve 33 search results: https://www.google.com/search?q=biden+kerry+Rosemont+Seneca+...

If you enter the same keywords into Bing you will be served thousands upon thousands of search results without any of Google's limiting or censorship: https://www.bing.com/search?q=biden+kerry+rosemont+seneca+He...

One interesting thing to note is that most of the websites which picked up this story are right-wing, and that Google appears to simply be blacklisting non-mainstream right-wing websites from its search results. Whether or not this is due to any implicit ideological bias on Google's part is uncertain.