Perhaps you should try some spelling variations:
communications networks » communication networks, telecommunications networks, telecommunications network
le developpement » de developpement, sme development
information 5.2 » information 15.2, information 1.2, information 5.4
developpement l » developpement il, developpement la, developpement de
3 information » 1 information
technology 3 » technology _, technology 1, technology 4
networks le » networks life, networks lone, networks law
l afrique » en 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 le developpement l afrique.*.