Perhaps you should try some spelling variations:
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
information your » information you, information source, information sources
developpement et » developpement des, developpement de, development east
4 information » 2 information, 1 information
technology 4 » technology _, technology 1, technology 3
et afrique » en afrique, l afrique
your role » leur role
role 2.7 » role 2.4, role 10.7, role 1.1

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

• Adding a wildcard symbol may retrieve word variants: technology 4 information your role 2.7 communication costs _ developpement et afrique.*.