You have to bribe them more with treats. My first cat Mitten was very smart - learned how to shake hands, find a treat hidden in your hand, would ask (in decent English) to go "out", for "milk", and a few other words.
He amazed people who thought cats could not be taught commands
Our current cat Ling, thinks she's a dog cause she was more/less raised by our lab and she does a lot of things the lab does as far as commands.
We are getting an ocicat kitten this coming week and they are very dog-like and quick to learn commands.