Man pages matching name mongoc_topology_description_has_readable_server in section 3:

mongoc_topology_description_has_readable_server.3.en	debian 10 / libmongoc-doc
mongoc_topology_description_has_readable_server.3.en	debian 11 / libmongoc-doc
mongoc_topology_description_has_readable_server.3.en	debian 12 / libmongoc-doc