Thanks for using Bitnami. I think you misspelled the phpMyAdmin application. After doing the SSH tunnel, you need to visit the next URL
You can get more information about how to connect with phpMyAdmin by using our guide below
Apart from that, we have a Support Tool that will gather relevant information for us to analyze your configuration and logs. Could you please download and execute it on the machine where the stack is running by following the steps described in the guide below?
How to Run the Bitnami Support Tool
Please note that you need to paste the code outputted by the tool in your reply.