Chrome provides a somewhat more straightforward way to add custom searches with custom parameters. Some people suggest rather cumbersome ways to do it in firefox, like editing some text file with some xml formatting, then allowing some developer option in about
:config, then dragging and dropping the file somewhere.
But unless that has some hidden advantage that I haven't imagined yet, a much handier way is to first go on some web search, do some generic/token/fake search with the...