Is there a search by the number of references to the search word?

I needed to find an abstract text in which the word “price” occurs exactly 27 times - and it should be found not in the keywords of the page, but in the text. Does anyone know any service that allows you to search for pages by a given number of references to the desired word or combination of words on the page?

Or maybe some search engine in the advanced search capabilities has such a function, but I do not know about it? They are interested not in some commercial things or internal corporate developments of optimization companies, but in a service that is accessible to the ordinary user. And not FeedPlex, because the search is not needed by RSS.