public List<Event> findSearchedEventsByStringList(List<String> preparedWordList) {
        try {
            String query = "SELECT * FROM (SELECT e.id AS id, 0 ";
            //@todo search in linked categories

            int preparedWordListSize = preparedWordList.size();
            String searchBoundedString = "";
            for (String searchString : preparedWordList) {
                query += "+ CASE WHEN LOWER(e.title) LIKE LOWER( '%" + searchString + "%' ) THEN 2 ELSE 0 END "
                        + "+ CASE WHEN LOWER(e.description) LIKE LOWER( '%" + searchString + "%' ) THEN 1 ELSE 0 END ";
                searchBoundedString += searchString;
                if ((preparedWordListSize - 1) != preparedWordList.indexOf(searchString)) {
                    searchBoundedString += " ";
                }
            }

            if (preparedWordListSize > 1) {
                query += " + CASE WHEN LOWER(e.title) LIKE LOWER( '%" + searchBoundedString + "%' ) THEN "
                        + preparedWordListSize * 2 + " ELSE 0 END "
                        + "+ CASE WHEN LOWER(e.description) LIKE LOWER( '%" + searchBoundedString + "%' ) THEN "
                        + preparedWordListSize + " ELSE 0 END ";
            }

            query += " + CASE WHEN ec_count.event_category_count IS NOT NULL THEN ec_count.event_category_count ELSE 0 END ";

            query +="AS PRIORITY "
                  + "FROM Event e LEFT OUTER JOIN ("
                    + "SELECT COUNT(eec.events_id) as event_category_count , eec.events_id AS event_id "
                    + "FROM event_eventcategory eec, eventcategory ec "
                    + "WHERE eec.eventcategories_id = ec.id AND (1=0 ";
                    for (String searchString : preparedWordList){
                      query +=" OR LOWER(ec.title) LIKE LOWER( '%" + searchString + "%' )";
                    }
            query +=") GROUP BY eec.events_id ";
            query +=") ec_count ON ec_count.event_id = e.id) ep, Event e2 "
                    + "WHERE ep.PRIORITY > 0 AND ep.id=e2.id "
                    + "ORDER BY ep.PRIORITY DESC ";


            return em.createNativeQuery(query, Event.class).getResultList();
        } catch (EJBException e) {
            return new ArrayList<Event>();
        }
    }