def get_activities_by_search(self, activity_query=None, activitiesearch=None):
pass<EOL>
Gets the search results matching the given search query using
        the given search.

        arg:    activitiesearch (osid.learning.ActivitySearch): the
                activity search
        return: (osid.learning.ActivitySearchResults) - the returned
                search results
        raise:  NullArgument - activityQuery or activitiesearch is null
        raise:  OperationFailed - unable to complete request
        raise:  PermissionDenied - authorization failure
        raise:  Unsupported - activitiesearch or activityQuery is not of
                this service
        compliance: mandatory - This method must be implemented.