Perhaps you should try some spelling variations:
communication between » communication networks
der developpement » de developpement, des developpements, leur developpement
developpement en » developpement et, developpement des, developpement de
3 communication » 4 communication, de communication, data communication
technologies 4 » technologies _
formation des » formation _
4 formation » 1 formation, a formation, 4 formulation
between der » between de, between order, between older
des does » des doses, der does, des dorfes
does 3 » does _, does a, does e

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 formation des does 3 communication between der developpement en afrique.*.