Perhaps you should try some spelling variations:
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
information leur » information laura, information letter, information labor
4 developpement » de developpement, le developpement, et developpement
technology 2 » technology _, technology 1, technology 3
des afrique » en afrique, de l'afrique
leur role » your role
role 2.7 » role 2.4, role 10.7, role 1.1
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology 2 information leur role 2.7 communication costs 4 developpement des afrique.*.