Elements is not available in the list of apps on the cloud. So odds are if you purchased it, it is still there. Did you download the trial version of elements from the downloads page?
Here are the instructions to access the cloud apps.
- You need to log into creative.adobe.com
- Click Download Center
- Scroll down the page to Creative Cloud
- Click on creative cloud to download it, then install it.
- The Creative cloud (adobe manager) Should open in the middle of your screen.
- Click on Apps
- Scroll down to the app you want to install and click the install button
- Once the manager says it is done, you can start your app like you normally do with any other app