zentao/extension/ipd/search/ext/lang/en/zentaobiz.php

<?php
$lang->search->modules['feedback']   = 'Feedback';
$lang->search->modules['ticket']     = 'Ticket';
$lang->search->modules['practice']   = 'Practice';
$lang->search->modules['service']    = 'Service';
$lang->search->modules['deploy']     = 'Deploy';
$lang->search->modules['deploystep'] = 'Deploy Step';