it might work with obfuscation, in general my preferred solution is VPN+proxy, the proxy is used for bypassing the DPI and doesn’t have to adhere to particularly high standards and can be easily swapped, and the VPN is used via the proxy for actually routing L3 traffic
again, !bang is for searching using a specific search engine, !!bang is for redirecting to a search engine’s page
!g will search with google
!!g will redirect to google
all ddg bangs are supported to my knowledge, but obviously !bang will only work with the search engines searxng supports