Perhaps you should try some spelling variations:
oral communication » personal communication
developpement la » developpement de, developpement et, developpement du
typologie von » typologie des, typologie der
von variation » 2 variation, 4 variation
variation des » variation _, variation 6, variation series
des ddr » der ddr, des dr, dem ddr
3 der » _ der, 2 der
3 de » 3 die, 3 des, _ de
fabrique. » afrique., fabrice.

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "typologie von variation des ddr oral communication ((3 de) OR (3 der)) developpement la fabrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie von variation des ddr oral communication ((3 de) OR (3 der)) developpement la fabrique.*.