Pretty well as above I use google
1 - by having the page
www.google.com/search?q=%22++%22+site%3Ahttps%3A%2F%2Fmudcat.org on my desktop
then adding my query at the magnifying glass

2 - using the android personal dictionary so that I just have to type mud in the chrome browser.
_

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Setting a shortcut in the Personal Dictionary:
my android works like this

> Settings
> ?? Search
type : personal
> Personal dictionary
> Personal dictionary
> +
> Enter word > type in : " " site:https://mudcat.org
> Shortcut > type in        mud
Then exit with the back button.

Then typing mud gives the choice of " " site:https://mudcat.org

;)