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

        :param repository_query: the repository query
        :type repository_query: ``osid.repository.RepositoryQuery``
        :param repository_search: the repository search
        :type repository_search: ``osid.repository.RepositorySearch``
        :return: the repository search results
        :rtype: ``osid.repository.RepositorySearchResults``
        :raise: ``NullArgument`` -- ``repository_query`` or ``repository_search`` is ``null``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``PermissionDenied`` -- authorization failure
        :raise: ``Unsupported`` -- ``repository_query`` or ``repository_search`` is not of this service

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