Perhaps you should try some spelling variations:
communications systems » communication systems, communications system, communication system
information need » information needs, information needed, information speed
technologies a » technologies _, technologies 4, technologies 2
de development » e development, ce development, de developpement
development co » development case, development china
a information » 2 information, 1 information
systems de » systemes de, systems der, systems die
co afrique » en afrique, l afrique
need de » need le, need fide, need one
de data » e data, wide data, de datos

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

• Adding a wildcard symbol may retrieve word variants: technologies a information need de data communications systems de development co afrique.*.