product_cat
. taxonomy category of WooCommerce Product
add_filter( 'get_terms_args', 'admin_nav_menu_show_all_product_categories', 10, 2);
function admin_nav_menu_show_all_product_categories( $args, $taxonomies ) {
global $pagenow;
if( 'nav-menus.php' === $pagenow && reset($taxonomies) === 'product_cat' ) {
$args['number'] = '';
}
return $args;
}
add_filter('terms_clauses', 'change_product_cat_terms_clauses', 10, 3 );
function change_product_cat_terms_clauses( $clauses, $taxonomies, $args ) {
global $pagenow;
if( 'nav-menus.php' === $pagenow && reset($taxonomies) === 'product_cat' ) {
$clauses['limits'] = '';
}
return $clauses;
}
Use this code in functions.php file, please let me know if this can help you in resolving your problem,