List web part searching - possible to disable filter?

Question

I have a list with 15,000+ items (don't ask, it's a requirement and it won't change) which we manage by using alphabetical filters A-Z. Everything works great, including the search - by using the filters and an indexed alpha column. The problem is that
when we have a filter active on the list, the "Find an item" search will only retrieve results from the FILTERED results list. Is it possible to change the "Find an item" search to only display results from the ENTIRE, UNFILTERED list,
regardless of what filter is currently applied to the list?
Normally I would imagine the default behavior is desired, but in our case, if a user is directed to the list via the "A" alpha page, they are then unable to search the entire list without going to the requisite letter filter first.
In other words, here's a typical use case:
User is directed to the list. The list refreshes automatically (via javascript) to the "A" filtered version of the list, because otherwise SharePoint 2013 displays an error message "Here's the reasons you can't see this list". We avoid
the error by displaying the "A" filter as the default page first.
User searches for "Blah" but receives no results. This is because they are on the "A" filtered version of the list, which does not contain any entries starting with "Blah". All entries start with "A" instead.
-We just want the search behavior to return results from the entire list, without the filter. Is this possible?

Answer 1

Hi  puargs,
It is by default  that the “Find an item” search box will search from the displayed item of current list and  we cannot  configure its search scope.
What do you mean “The list refreshes automatically (via javascript) to the ‘A’ filtered version of the list, because otherwise SharePoint 2013 displays an error message ‘Here's the reasons you can't see this
list’.  “ ? Could you provide more detail about the error ?
Also for a workaround, you can create a dedicated search page for managing the list:
Create a webpage page “Manage List”.
Add a Search Box Web Part and a Search Result Web Part.
Edit the Search Result Web Part -> Change query -> In Quick Mode: set  Select a query to Items matching a content  type (System) , set Restrict by app to Specify a URL and input the url of
your list in the below input box, set Restrict by tag to Don’t restrict by any tag, set Restrict by content type to Item. -> save your configuration.
Then you can search the item of your list by inputting  keywords in the search box.
Thanks,
Eric
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Eric Tao
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