Generally in Logos "more" will simply add more results in the current list with almost instant results. "Search" will open a new Search window and take whatever time the search takes. So why does "more" in Cited by mean "Search?"
We have a case in our bug database to fix this inconsistency.
So why does "more" in Cited by mean "Search?"
IIRC, it was one of the first panels implemented in Logos 4. Our UI conventions hadn't yet been standardised and we haven't gone back and updated it yet.