Perhaps you should try some spelling variations:
communication modell » communication model, communications models, communication modes
der developpements » des developpements, deux developpements, de developpement
developpements de » developpement de, developpement des, developpement du
4 communication » 3 communication, 5.4 communication, de communication
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
information 2 » information 3
de afrique » de l'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: technologies a information 2 _ 4 communication modell der developpements de afrique.*.