Perhaps you should try some spelling variations:
bed communication » based communication, de communication, brand communication
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
3 information » 1 information
information 2 » information 3
technology 3 » technology _, technology 1, technology 4
de afrique » de l'afrique, en afrique, l afrique
costs a » costs _, costs 4
2 coal » _ coal, 4 coal

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 coal bed communication costs a developpement de afrique.*.