Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
4 disinformation » _ disinformation, _ misinformation, mis disinformation
developpement de » developpement des, developpement durable
4 developpement » de developpement, le developpement, et developpement
technologies 4 » technologies _
de afrique » de l'afrique, en afrique, l afrique
does data » does cat
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 disinformation _ does data communications costs 4 developpement de afrique.*.