Man pages matching name dbix::fulltextsearch in section 3pm:

DBIx::FullTextSearch.3pm.en	debian 10 / libdbix-fulltextsearch-perl
DBIx::FullTextSearch.3pm.en	debian 11 / libdbix-fulltextsearch-perl
DBIx::FullTextSearch.3pm.en	debian 12 / libdbix-fulltextsearch-perl