You can access all your previous campaigns in Dibz.
To do this, you need to:
STEP 1: Click on the Clients button in the upper left corner in the app (just below the Search Results button).
STEP 2: See the list of all the clients you have, and choose the one whose campaigns you are interested in. The next screen will contain all the active and archived campaigns you have for that client.
Also check out: How do I check the status of my campaigns and searches in Dibz?