Wowhead’s talent calculator now allows you to search for particular abilities, similar to the in-game option.
Dragonflight Talent Calculator
At the bottom of the calculator, you will find a search bar that allows you to type in phrases. Abilities that include your phrase will be highlighted with a magnifying glass, and abilities that are an exact match will have additional emphasis. Underneath the search bar you will find a menu of abilities that match your term as well.