Missing Controller

Error: Xa-hoiController could not be found.

Error: Create the class Xa-hoiController below in file: public_html/controllers/xa-hoi_controller.php

<?php
class Xa-hoiController extends AppController {

	var $name = 'Xa-hoi';
}
?>

Notice: If you want to customize this error message, create public_html/views/errors/missing_controller.ctp