The Order Manager owns two main screens; 

    - The order status screen. This is the HOME screen when you enter the Order Manager
    - The order detail screen

The search bar on the left is always in place.

Tutorial mode 

A tutorial mode is available by clicking the checkbox for tutorial in the header navigation bar.

Order status screen

When you are logged in you see a list of all your active buyer orders in the middle and their status. 
On the left you find the order status search bar.