Perhaps you should try some spelling variations:
natural communication » cultural communication, material communication, mutual communication
information needs » information networks
developpment use » development use, developpement une, developpement de
et developpment » et developpement, et developpements, en developpement
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
a et » a set, a net, a bet

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

• Adding a wildcard symbol may retrieve word variants: technologies a information needs _ natural communication a et developpment use africa.*.