Perhaps you should try some spelling variations:
data communication » data communications
dual developpement » du developpement, dual development, de developpement
information arten » information after, information matter, information age
communication 3.2 » communication 3.3, communication 3.4, communication 2
technologies new » technologies _, technologies 4, technologies 2
developpement en » developpement et, developpement des, developpement de
new information » 2 information
der data » under data, order data, der daten
3.2 dual » 6.2 dual, 2.2 dual, 3.3 dual

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

• Adding a wildcard symbol may retrieve word variants: technologies new information arten der data communication 3.2 dual developpement en afrique.*.