Perhaps you should try some spelling variations:
model development » local development, social development, global development
information need » information needs, information needed, information speed
technologies 4 » technologies _
networks model » network model, network models, networks moral
4 information » 2 information, 1 information
a afrique » l afrique, en afrique
need de » need le, need fide, need one

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information need de _ communication networks model development a afrique.*.