Algolia offers ways to redirect users entering certain search terms to a separate url.
When this happens, the search that triggers the redirect will still appear in your analytics but will not have click or conversion events (and may not have results because redirects do not count as search results).
If you prefer to not have these searches in your analytics at all, you can set analytics to false in the rule you are using to power the redirect by adding this as a consequence to the rule: