Perhaps you should try some spelling variations:
proper communication » power communication, prone communication, provider communication
does developpement » de developpement, des developpements, does development
variation serien » variation series, variation bei, variation der
developpement et » developpement des, developpement de, development east
4.1 variation » 1.1 variation, 2.1 variation, 4.3 variation
typology 4.1 » typology 2.2.1, typology _, ecology 4.1
serien der » serie de, series de, theorien der
der proper » der property, over proper, der oper
et afrique » en afrique, l afrique

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

• Adding a wildcard symbol may retrieve word variants: typology 4.1 variation serien der proper communication _ does developpement et afrique.*.