Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
information what » information war, information when, information wants
developpement de » developpement des, developpement durable
4 developpement » de developpement, le developpement, et developpement
technology 1 » technology _
what faced » hat face
de afrique » de l'afrique, en afrique, l afrique
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 1 information what faced 3.2 communication costs 4 developpement de afrique.*.