Once logged into your account, simply click on the 'campaigns' section from the main menu located at the top of your page.
On the left side of the page you will filters based on a search criteria, action and delivery status. To the right side is a list of all past and current campaigns for your account. Under the order ID column you will notice different colours; the aqua blue means a buyer has sent you a brief and the grey colour means the campaign has been booked.
The filters on the left side are there to help you find a specific campaign you want to work on. You can search by keyword or order ID. You can filter by required action or by delivery status.