docs: def get_assets_by_search(self, asset_query, asset_search):
          """Gets the search results matching the given search query using the given search.
  
          arg:    asset_query (osid.repository.AssetQuery): the asset
                  query
          arg:    asset_search (osid.repository.AssetSearch): the asset
                  search
          return: (osid.repository.AssetSearchResults) - the asset search
                  results
          raise:  NullArgument - ``asset_query`` or ``asset_search`` is
                  ``null``
          raise:  OperationFailed - unable to complete request
          raise:  PermissionDenied - authorization failure
          raise:  Unsupported - ``asset_query`` or ``asset_search`` is not
                  of this service
          *compliance: mandatory -- This method must be implemented.*
  
          """
          # Implemented from template for
          # osid.resource.ResourceSearchSession.get_resources_by_search_template
          # Copied from osid.resource.ResourceQuerySession.get_resources_by_query_template
          and_list = list()
          or_list = list()
          for term in asset_query._query_terms:
              and_list.append({term: asset_query._query_terms[term]})
          for term in asset_query._keyword_terms:
              or_list.append({term: asset_query._keyword_terms[term]})
          if asset_search._id_list is not None:
              identifiers = [ObjectId(i.identifier) for i in asset_search._id_list]
              and_list.append({'_id': {'$in': identifiers}})
          if or_list:
              and_list.append({'$or': or_list})
          view_filter = self._view_filter()
          if view_filter:
              and_list.append(view_filter)
          if and_list:
              query_terms = {'$and': and_list}
          collection = JSONClientValidated('repository',
                                           collection='Asset',
                                           runtime=self._runtime)
          if asset_search.start is not None and asset_search.end is not None:
              result = collection.find(query_terms)[asset_search.start:asset_search.end]
          else:
              result = collection.find(query_terms)
          return searches.AssetSearchResults(result, dict(asset_query._query_terms), runtime=self._runtime)