Hi Tony thanks for posting in the Lucidchart Community. Unfortunately what you are trying to do is not currently supported in Lucidchart. However we're always looking for ways to improve Lucidchart and your feedback is the best way for us to do that. Would you mind adding your idea to our feature request form? Ideas submitted to this form are passed on to the product development team for their consideration.

You can search through the content of your document by using the "Find & Replace" feature which you can open under View > Find and Replace. This feature does not cover notes.

Thanks for your request and I apologize for any inconvenience this causes you.