Стандартный и умный поиск не ищет по псевнонимам авторов и дате - Joomla 3.x: Общие вопросы

<name>plg_search_content_new</name>

foreach ($words as $word)
				{
					$word = $db->quote('%' . $db->escape($word, true). '%', false);
					$wheres2 = array();
					$wheres2[] = 'LOWER(a.title) LIKE LOWER(' . $word . ')';
					$wheres2[] = 'LOWER(a.introtext) LIKE LOWER(' . $word . ')';
					$wheres2[] = 'LOWER(a.fulltext) LIKE LOWER(' . $word . ')';
					$wheres2[] = 'LOWER(a.metakey) LIKE LOWER(' . $word . ')';
					$wheres2[] = 'LOWER(a.metadesc) LIKE LOWER(' . $word . ')';
					$wheres2[] = 'LOWER(a.created) LIKE LOWER(' . $word . ')';
					$wheres2[] = 'LOWER(a.alias) LIKE LOWER(' . $word . ')';
                       		$wheres[] = implode(' OR ', $wheres2);
				}