Perhaps you should try some spelling variations:
east developpement » et developpement, au developpement, en developpement
data communication » data communications
developpement de » developpement des, developpement durable
3 information » 1 information
information 2 » information 3
technology 3 » technology _, technology 1, technology 4
de afrique » de l'afrique, en afrique, l afrique
cost data » test data
2 cost » 3.2 cost, 5.2 cost
networks » network

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

• Adding a wildcard symbol may retrieve word variants: technology 3 information 2 cost data communication networks east developpement de afrique.*.