Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
trade information » price information, private information, trade integration
technology trade » technology trends, technology transfer, technology transfers
1 communications » 10 communications, 14 communications, 1 communication
developpement en » developpement et, developpement des, developpement de
information act » information age, information a, information about
a developpement » au developpement, de developpement, le developpement
act practice » ict practices, ct practices, elt practice
practice 1 » practice _, practice a
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology trade information act practice 1 communications costs a developpement en afrique.*.