add_filter( 'gettext', 'my_translate', 20, 3 );
/**
* @link http://codex.wordpress.org/Plugin_API/Filter_Reference/gettext
*/
function my_translate( $translated_text, $text, $domain ) {
switch ( $translated_text ) {
case 'Recent Products' :
$translated_text = __( 'Наши продукты', 'theme_text_domain' );
break;
}
return $translated_text;
}