Perhaps you should try some spelling variations:
oil communication » oral communication, social communication, moral communication
le developpement » de developpement, sme development
developpement de » developpement des, developpement durable
information 4.5 » information 4.2, information 4.3, information 4.1
3 information » 1 information
technology 3 » technology _, technology 1, technology 4
4.5 debate » 4.5 debates, 9.5 debates, 2.1 debate
debate oil » debate social, debate moral
de afrique » de l'afrique, en afrique, l afrique
costs le » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology 3 information 4.5 debate oil communication costs le developpement de afrique.*.