Perhaps you should try some spelling variations:
world communication » work communication, wired communications, good communication
communication model » communication media
de developpement » sme development
technologies 2 » technologies _, technologies 4
des afrique » en afrique, de l'afrique
das world » des world, does world, wars world
model de » model due, model d, model du
3.2 das » 1.2 das, 3.2 data

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 3.2 das world communication model de developpement des afrique.*.