What is the easiest way to obtain a DVT visa in Thailand while currently on a tourist visa?

The user is seeking advice on obtaining a DVT (soft power) visa while in Chiang Mai on a tourist visa, specifically looking for the easiest and cheapest options for documentation like Thai language or Muay Thai classes. Additionally, they are inquiring about which neighboring country's Thai consulate is easiest to deal with for DVT applications. Comments suggest various options for soft power programs including Thai cooking classes and Muay Thai, while also noting that the Hanoi embassy is reputed to be easy for visa processing.