Perhaps you should try some spelling variations:
communication model » communication media
der developpement » de developpement, des developpements, leur developpement
information 2.6 » information 2.2, information 2.7, information 2.0
a communication » la communication, data communication, data communications
technologies 2 » technologies _, technologies 4
des afrique » en afrique, de l'afrique
model der » modell der, mode der, modelle der
2.6 die » 3.6 die, 4.6 die
die a » die al, die _, die 4

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 2.6 die a communication model der developpement des afrique.*.