Perhaps you should try some spelling variations:
communications networks » communication networks, telecommunications networks, telecommunications network
le developpement » de developpement, sme development
developpement de » developpement des, developpement durable
technologies 4 » technologies _
4 information » 2 information, 1 information
information 1 » information 2, information 3, information 3.2
networks le » networks life, networks lone, networks law
de afrique » de l'afrique, en afrique, l afrique
die data » die daten, life data, file data
1 die » 2 die, 3 die, _ die

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information 1 die data communications networks le developpement de afrique.*.