Perhaps you should try some spelling variations:
causes communication » mass communication, crisis communication, assess communication
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
4 information » 2 information, 1 information
technology 4 » technology _, technology 1, technology 3
areas causes » areas case, trends causes, les causes
3.2 areas » 3.4 areas, 3.3 areas, 3.8.2 areas
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology 4 information 3.2 areas causes communication costs a developpement de l'afrique.*.