return self.request.get(
              'items', (
              portal_catalog.searchResults(path={'query': '%s/agenda' % portalPath,
                                                 'depth': 10, 'navtree_start': 1, },
                                           portal_type=typesToShow,
                                           location=lieu,
                                           eventType=type,
                                           start = { "query": period_start, "range" : "max" },
                                           end = {"query": [ period_start, period_end], "range": "minmax" },
                                           sort_on='Date',)
                + 
              portal_catalog.searchResults(path={'query': '%s/agenda' % portalPath,
                                                 'depth': 10, 'navtree_start': 1, },
                                           portal_type=typesToShow,
                                           location=lieu,
                                           eventType=type,
                                           start = {"query": [ period_start, period_end], "range": "minmax" },
                                           sort_on='Date',)
              ))