Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
4.2 developpement » 4.2 development, de developpement, le developpement
6 communications » 6 communication, 2 communications, 3 communications
developpement en » developpement et, developpement des, developpement de
new information » 2 information
information air » information asia, information age, information a
technology new » technologies new, technology needs, technology 1
space 6 » space _, space a, space 1

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 6 communications costs 4.2 developpement en afrique.*.