Perhaps you should try some spelling variations:
based communication » brand communication, based compensation, mediated communication
au developpement » du developpement, de developpement, le developpement
3 information » 1 information
information 2 » information 3
technology 3 » technology _, technology 1, technology 4
drone based » phone based, role based, diode based
des afrique » en afrique, de l'afrique
costs au » costs a, costs amy, costs _
2 drone » 2 drones, _ drone, 3 drone

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

• Adding a wildcard symbol may retrieve word variants: technology 3 information 2 drone based communication costs au developpement des afrique.*.