Perhaps you should try some spelling variations:
natural communication » cultural communication, material communication, mutual communication
developpement dans » developpement sans, developpement des, developpement d'une
information needs » information networks
technologies 3.1 » technologies 2.1, technologies 3.2, technologies _
communication 2 » communication _, communication a, communication 3
a developpement » au developpement, de developpement, le developpement
dans africa » loans africa, does africa, gays africa
3 natural » 1 natural, 2 natural, 2.3 natural
needs 3 » needs _, needs a

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

• Adding a wildcard symbol may retrieve word variants: technologies 3.1 information needs 3 natural communication 2 a developpement dans africa.*.