Perhaps you should try some spelling variations:
4.4 communication » 5.4 communication, 4.1 communication, 1.4 communication
information your » information you, information source, information sources
et developpement » de developpement, le developpement, test development
developpement en » developpement et, developpement des, developpement de
iot information » ist information, cost information, plot information
technology iot » technology ict, technology ipt, technology ieit
your role » leur role
role 4.4 » roles 4.4, role 2.4, role 3.4
costs et » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology iot information your role 4.4 communication costs et developpement en afrique.*.