You don't have to route all your searches through DDG to achieve that. https://support.mozilla.org/sv/kb/assign-shortcuts-search-en...
https://www.startpage.com/ works. DDG does not.
https://www.startpage.com/ works. DDG does not.
The most I've had to do is search the bangs documentation if i can't find the search engine i want. (for Terraria stuff i sometimes wanted `!terrg` rather than `!terraria`, and ended up searching to find the former)
As here: https://www.imdb.com/find?s=all&q=brad%20pitt
No bangs needed.