Perhaps you should try some spelling variations:
natural communication » cultural communication, material communication, mutual communication
information needs » information networks
technologies und » technologie und, technologien und, technologies under
developpement de » developpement des, developpement durable
und information » fund information, road information, award information
communication 3 » communication _, communication a
a developpement » au developpement, de developpement, le developpement
4.1 natural » 14.1 natural, 2.1 natural, 3.1 natural
needs 4.1 » needs 4.3, needs 4.5, needs 4.6
de africa » does africa, de america, use africa

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

• Adding a wildcard symbol may retrieve word variants: technologies und information needs 4.1 natural communication 3 a developpement de africa.*.