Perhaps you should try some spelling variations:
communications networks » communication networks, telecommunications networks, telecommunications network
leur developpement » le developpement, deux developpements, de developpement
developpement du » developpement de, developpement des, developpement et
information 5.2 » information 15.2, information 1.2, information 5.4
3 information » 1 information
networks leur » networks learn, networks linear, networks neural
technology 3 » technology _, technology 1, technology 4
du afrique » en afrique, l afrique, de l'afrique
5.2 iot » 5.2 ict, 5.3 iot, 5.4 iot

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

• Adding a wildcard symbol may retrieve word variants: technology 3 information 5.2 iot data communications networks leur developpement du afrique.*.