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

        :param proficiency_query: the proficiency query
        :type proficiency_query: ``osid.learning.ProficiencyQuery``
        :param proficiency_search: the proficiency search
        :type proficiency_search: ``osid.learning.ProficiencySearch``
        :return: the returned search results
        :rtype: ``osid.learning.ProficiencySearchResults``
        :raise: ``NullArgument`` -- ``proficiency_query`` or ``proficiency_search`` is ``null``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``PermissionDenied`` -- authorization failure
        :raise: ``Unsupported`` -- ``proficiency_query`` or ``proficiency_search`` is not of this service

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