Perhaps you should try some spelling variations:
virtual communication » visual communication, verbal communication, cultural communication
information speed » information sheet, information needed, information needs
der developpement » de developpement, des developpements, leur developpement
developpement de » developpement des, developpement durable
communication 2 » communication _, communication a, communication 3
technologies 4 » technologies _
4 information » 2 information, 1 information
de africa » does africa, de america, use africa
2 der » _ der

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information speed _ virtual communication 2 der developpement de africa.*.