Man pages matching name data::sah::normalize in section 3pm:

Data::Sah::Normalize.3pm.en	debian 10 / libdata-sah-normalize-perl
Data::Sah::Normalize.3pm.en	debian 11 / libdata-sah-normalize-perl
Data::Sah::Normalize.3pm.en	debian 12 / libdata-sah-normalize-perl