Perhaps you should try some spelling variations:
formalen communication » informal communication, complex communication, force communication
developpement du » developpement de, developpement des, developpement et
variation using » variations during, variation und, variation among
apologien der » typologien der, apologie des, ideologien der
der variation » de variation, does variation, die variation
pes formalen » des formalen, der formalen, des normalen
du afrique » en afrique, l afrique, de l'afrique
using pes » using pdes, using pecs, using pets

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

• Adding a wildcard symbol may retrieve word variants: apologien der variation using pes formalen communication media _ developpement du afrique.*.