Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
1 communications » 10 communications, 14 communications, 1 communication
developpement de » developpement des, developpement durable
new information » 2 information
information air » information asia, information age, information a
4 developpement » de developpement, le developpement, et developpement
technology new » technologies new, technology needs, technology 1
de afrique » de l'afrique, en afrique, l afrique
space 1 » space _, space a, space 4
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 new information air space 1 communications costs 4 developpement de afrique.*.