Hello again,
Do you know the organisation "Volunteer agency Landshut"?
I think they do offer what you are looking for. See bit.ly/1Z2tqu8 (German)
Contact information: Freiwilligen Agentur Landshut
Dr. Elisabeth-Maria Bauer, Geschäftsführerin
Dominik-Brunner-Weg 1
84030 Landshut
Telefon: 0871 / 20 66 27 30
Email: info@freiwilligen-agentur-landshut.de
(bit.ly/1Z2sOEY)
Kind regards, Jan