Perhaps you should try some spelling variations:
oil communication » oral communication, social communication, moral communication
de developpement » sme development
developpement de » developpement des, developpement durable
information 3.4 » information 3.2, information 2, information 1
technology 1 » technology _
3.4 debate » 6.4 debate, 5.4 debates, 2.1 debate
debate oil » debate social, debate moral
de afrique » de l'afrique, en afrique, l afrique
costs de » 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 1 information 3.4 debate oil communication costs de developpement de afrique.*.