Perhaps you should try some spelling variations:
information source » information sources, information resource, information resources
communication 3.2 » communication 3.3, communication 3.4, communication 2
das developpement » des developpements, de developpement, du developpement
technologies new » technologies _, technologies 4, technologies 2
developpement en » developpement et, developpement des, developpement de
new information » 2 information
source der » source cer, source de, source des
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 new information source der _ communication 3.2 das developpement en afrique.*.