Perhaps you should try some spelling variations:
face communication » voice communication, de communication, time communication
information costs » information contents, information centers, information content
communication 6.5 » communication 5.5, communication 6.2, communication 6.1
technologies iot » technologies ict, technologies icts, technologies art
iot information » ist information, cost information, plot information
development led » development lid, development leads, development land
led afrique » en afrique, l afrique
costs 4 » costs _, costs a, costs 4.2
4 face » 43 face, _ face, a face

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

• Adding a wildcard symbol may retrieve word variants: technologies iot information costs 4 face communication 6.5 _ development led afrique.*.