public function getParentString()
    {
        $keywordsArray = array();

        /** @var eZTagsObject[] $path */
        $path = $this->getPath( false, true );
        if ( is_array( $path ) && !empty( $path ) )
        {
            foreach ( $path as $tag )
            {
                $synonymsCount = $tag->getSynonymsCount( true );
                $keywordsArray[] = $synonymsCount > 0 ? $tag->attribute( 'keyword' ) . ' (+' . $synonymsCount . ')' : $tag->attribute( 'keyword' );
            }
        }

        $synonymsCount = $this->getSynonymsCount( true );
        $keywordsArray[] = $synonymsCount > 0 ? $this->attribute( 'keyword' ) . ' (+' . $synonymsCount . ')' : $this->attribute( 'keyword' );

        return implode( ' / ', $keywordsArray );
    }