Perhaps you should try some spelling variations:
natural communication » cultural communication, material communication, mutual communication
des developpements » deux developpements, de developpement, et developpements
information needs » information networks
developpements et » developpement et, developpement en, developpements de
technologies und » technologie und, technologien und, technologies under
und information » fund information, road information, award information
so natural » two natural, 1 natural, 2 natural
et africa » em africa, eu africa, west africa
needs so » needs _, needs a, needs 3
a des » a der, a das

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 so natural communication a des developpements et africa.*.