in bestimmten Fällen - in certain cases, under certain circumstances, in specific cases - https://context.reverso.net/translation/german-english/in+bestimmten+F%C3%A4llen
in certain cases - em certos casos, em determinados casos. - https://context.reverso.net/translation/english-portuguese/in+certain+cases
under certain circumstances -em certos casos, em determinados casos, em determinadas circunstâncias - https://context.reverso.net/translation/english-portuguese/under+certain+circumstances