Perhaps you should try some spelling variations:
information court » information cost, information curb, information source
2.5 communication » 2.3 communication, 2.7 communication, 3.5 communication
developpement de » developpement des, developpement durable
4 developpement » de developpement, le developpement, et developpement
technology 2 » technology _, technology 1, technology 3
de afrique » de l'afrique, en afrique, l afrique
rules 2.5 » rules 2.2, rules 2.4, rules 5.5
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 court rules 2.5 communication costs 4 developpement de afrique.*.