I have also noticed the more detailed a query for technical issues, bugs or combinations of software, I have to rely on Google as well. My workflow is similar to yours. I silently hope this is just a matter of DDG improving over time.

But truth to be told, DDG is so handy with the shebang keywords, I search Google using it and only leave DDG in my Firefox search bar and specialize with !g !gv !gi as needed.