1- At the "Setting Tab" Above, Chose "Account Setting"
2- Join any network you want ;) "Like Egypt"
3- You will notice this statement
" There are 486,597 people in the Egypt network. " For Example
4- Click on this number, and from know you can see thousands of profiles :)
May this trick to be useful for someones :D
But there is an option in your options on Facebook that made your profile not visible to anyone, but believe me, a lot of people didn't notice that option ;)