Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
interactions aiot » interactions among, interactions a, interactions from
do communications » 10 communications, 14 communications, 2 communications
2.3 development » 2 development, 2015 development, 1 development
aiot data » iot data, act data, boot data
costs 2.3 » costs 4.2, costs 4.4
1 afrique » l afrique, en afrique, 1 enrique

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

• Adding a wildcard symbol may retrieve word variants: technologies _ interactions aiot data do communications costs 2.3 development 1 afrique.*.