Man pages matching name sru::request::searchretrieve in section 3pm:

SRU::Request::SearchRetrieve.3pm.en	debian 10 / libsru-perl
SRU::Request::SearchRetrieve.3pm.en	debian 11 / libsru-perl
SRU::Request::SearchRetrieve.3pm.en	debian 12 / libsru-perl