Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.2 communications » 3.2 communication, 3.1 communications, 4.2 communications
developpement de » developpement des, developpement durable
information amp » information age, information a, information act
4 developpement » de developpement, le developpement, et developpement
do information » 2 information, 1 information, 3 information
technology do » technology does, technology dlt, technology 1
amp process » amp prozess, amp prozesse, up process
process 3.2 » process 2.2
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 do information amp process 3.2 communications costs 4 developpement de afrique.*.