Perhaps you should try some spelling variations:
information problems » information providers, information systems, information policy
1.1 communication » 4.1 communication, 1.3 communication, 1.4 communication
technologies iot » technologies ict, technologies icts, technologies art
du developpement » de developpement, le developpement, et developpement
developpement de » developpement des, developpement durable
iot information » ist information, cost information, plot information
communication 5 » communication _, communication a, communication 3
problems a » problems _, problems 3
a 1.1 » i 1.1, a 4.1, a 6.1
5 du » 5 de, 5 do, 5 zu

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

• Adding a wildcard symbol may retrieve word variants: technologies iot information problems a 1.1 communication 5 du developpement de l'afrique.*.