How can I make sure that Google knows my content is original!!

If you are the original writer of that article, you can always do what is known as a Digital Millennium Copyright Act notice, where you send in this DMCA request, and you can find the information at google.com/DMCA.html.

Read More: http://cualidosoft.wordpress.com/2014/07/25/how-can-i-make-sure-that-google-knows-my-content-is-original/