Perhaps you should try some spelling variations:
information networks » information needs
mutual communication » cultural communication, virtual communication, natural communication
de developpement » sme development
developpement em » developpement et, developpement en, developpement des
technologie 3d » technologies 3d, technologie 3, technologie und
3d information » d information, nd information, od information
em africa » 1 africa
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technologie 3d information networks _ mutual communication a de developpement em africa.*.