Perhaps you should try some spelling variations:
dauer communications » paper communications, data communications, face communications
development 1.1 » development 2.1, development 2.3, development 2.2
typologies art » typologies et, typologies first, typologies _
art variation » care variation, a variation, about variation
variation den » variation des, variation der, variation de
themen dauer » themen der, themen des, themen auf
1.1 afrique » 2014 afrique
den themen » der themen, den thesen, die themen

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

• Adding a wildcard symbol may retrieve word variants: typologies art variation den themen dauer communications _ gas development 1.1 afrique.*.