In your module.config.php
'view_manager' => array(
'template_path_stack' => array(
'mymodule' => __DIR__ . '/../view',
),
'template_map' => array(
'snippets/mypartial' => __DIR__ . '/../view/snippets/mypartial.phtml',
),
),
And use like that
<?php echo $this->partial("snippets/mypartial"); ?>