code: def list_mypasswords_search(self, searchstring):
          
          # http://teampasswordmanager.com/docs/api-my-passwords/#list_passwords
          log.debug('List MyPasswords with %s' % searchstring)
          return self.collection('my_passwords/search/%s.json' %
                                 quote_plus(searchstring))
docs: List my passwords with searchstring.