I'm not sure the cause of this one: old search has three results and cirrus has two but should have all three.
Old: https://de.wikipedia.org/wiki/Special:Search?profile=advanced&search=stolpersteine+prefix%3APortal+Diskussion%3ANationalsozialismus%2F&fulltext=Search&ns0=1&ns4=1&ns10=1&ns12=1&redirs=1&profile=advanced
Cirrus: https://de.wikipedia.org/wiki/Special:Search?profile=advanced&search=stolpersteine+prefix%3APortal+Diskussion%3ANationalsozialismus%2F&fulltext=Search&ns0=1&ns4=1&ns10=1&ns12=1&redirs=1&profile=advanced&srbackend=CirrusSearch
Version: unspecified
Severity: normal
See Also:
T63965: CirrusSearch: Plain analyzer doesn't split on colons
T54905: URLs in page source should be properly indexed so they're findable using search
https://github.com/elasticsearch/elasticsearch/issues/5648