@abc.abstractmethod<EOL><INDENT>def get_objectives_by_search(self, objective_query, objective_search):<DEDENT>
return<EOL>
Gets the search results matching the given search query using the given search.

        :param objective_query: the objective search query
        :type objective_query: ``osid.learning.ObjectiveQuery``
        :param objective_search: the objective search
        :type objective_search: ``osid.learning.ObjectiveSearch``
        :return: the returned search results
        :rtype: ``osid.learning.ObjectiveSearchResults``
        :raise: ``NullArgument`` -- ``objective_query`` or ``objective_search`` is ``null``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``PermissionDenied`` -- authorization failure
        :raise: ``Unsupported`` -- ``objective_search`` or ``objective_query`` is not of this service

        *compliance: mandatory -- This method must be implemented.*