Man pages matching name mongoc_collection_create_bulk_operation in section 3:

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