Perhaps you should try some spelling variations:
formalen communication » informal communication, complex communication, force communication
communication india » communication media, communications media
developpement l » developpement il, developpement la, developpement de
6.4 variation » 3.3 variation, 6.3.5 variation, _ variation
variation von » variationen von, variation _, variation 6
den formalen » des formalen, der formalen, der formale
ecology 6.4 » ecology 4.4, ecology 3.4, ecology 2.3
l afrique » en afrique
von den » von der

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

• Adding a wildcard symbol may retrieve word variants: ecology 6.4 variation von den formalen communication india _ developpement l afrique.*.