In example URL:
occhio
latino ŏcŭlus Citazione «Chi ha l'occhio, trova quel che cerca anche a occhi chiusi. » (Italo Calvino)
AND NOT works: https://it.wiktionary.org/w/index.php?title=Speciale%3ARicerca&profile=default&search=cerca+AND+NOT+trova&fulltext=Search
[[mw:Special:Search/first foremost -current]]:
Search/CirrusSearchFeatures
for instructions. First and foremost CirrusSearch is a workalike for the current search system, MWSearch
[[mw:Special:Search/first foremost AND NOT current]] is ok.
Version: master
Severity: major
URL: https://it.wiktionary.org/w/index.php?title=Speciale%3ARicerca&profile=default&search=cerca+-trova&fulltext=Search