Perhaps you should try some spelling variations:
challenges information » challenges informality, challenge innovation, challenges oration
technology challenges » technological challenges, technology change, technical challenges
au developpement » du developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
a communication » la communication, data communication, data communications
information 3 » information 2
costs au » costs a, costs amy, costs _
3 areas » 1 areas, 2 areas, 3 area
areas a » areas _

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

• Adding a wildcard symbol may retrieve word variants: technology challenges information 3 areas a communication costs au developpement en afrique.*.