This scenario differs from the return all records (a.k.a., "select all") case of Search by Keyword in that this scenario searches for one-or-more specific search terms.
In specifying at least one term, we are seeking to only locate those records with a certain (sub)string in their fields.
Search by Keyword.
Enter search keyword terms.
Click Search button.
If there are no matches, no results will be returned.
Otherwise, iff there are matches, corresponding records with matching values in their fields are returned in the result set.
Search by Keyword.
Enter search keyword terms.
Click Search button.
If there are no matches, no results will be returned - such as in this case.
Otherwise, if there are matches, corresponding records with matching values in their fields are returned in the result set.