// Niveau d'étude
        String level = request.getParameter("level");
        if (StringUtils.isNotEmpty(level))
        {
            BooleanQuery bq = new BooleanQuery();
            
            bq.add(_getLocalQuery("level", level), BooleanClause.Occur.SHOULD);
            bq.add(_getRemoteQuery("level", level), BooleanClause.Occur.SHOULD);
            
            query.add(bq, BooleanClause.Occur.MUST);
        }