Perhaps you should try some spelling variations:
world communication » work communication, wired communications, good communication
communication model » communication media
developpement en » developpement et, developpement des, developpement de
1 developpement » de developpement, le developpement, et developpement
technologies 2 » technologies _, technologies 4
das world » des world, does world, wars world
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 1 developpement en afrique.*.