This functionality is available for PRO version.
Name: wph/components/css_combine_code
Type: Filter
Arguments: $status
This filter can be used to force ignore on css combine.
add_filter( 'wph/components/css_combine_code', 'custom_wph_components_css_combine_code' );
function custom_wph_components_css_combine_code( $status )
{
$status = FALSE;
return $status;
}