The following are k8s product team charms/bundles that exist in charmhub and should be searchable:
aws-iam
aws-integrator
azure-integrator
calico
canal
charmed-kubernetes
containerd
coredns
docker
docker-registry
easyrsa
etcd
flannel
gcp-integrator
kata
keepalived
kubeapi-load-balancer
kubernetes-control-plane
kubernetes-core
kubernetes-e2e
kubernetes-worker
metallb-controller
metallb-speaker
multus
openstack-integrator
sriov-cni
sriov-network-device-plugin
tigera-secure-ee
vsphere-integrator
FYI, there are similar containers-$foo
charms that correspond to the above k8s charms in the old store ~containers namespace; those do not need to be searchable.