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
4.1 variation » 1.1 variation, 2.1 variation, 4.3 variation
variation von » variationen von, variation _, variation 6
den formalen » des formalen, der formalen, der formale
ecology 4.1 » ecology 4.2, ecology 4.4, ecology 1
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 4.1 variation von den formalen communication india _ developpement l afrique.*.