Facebook server sometimes crashes and is slow and if you can't find that person there can be other reasons too. They could have deleted their profile,changed their name or marked their profile as unsearchable. And in the end it means they have blocked you.
But you can verify that by searching for that person on google. Of course there will be a few people under the same name but google will find the pages on facebook and then you can click on the link that you think is the person you are looking for. Before you do all that sign out of facebook.
When you find the person on google go their profile and bookmark or save the link. Then .
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.