How to Find Good Script Shaggle

How can learners find good script Shaggle? If you don't have a teacher that's fine, for example, you can do a Google search. So go to Google and type in practical English dialogs. And you can also try English conversation scripts for an advanced level of English. But what's the difference between come up with and find? When you find something you locate it, but when you come up with something you created, you invented, right?