Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
trade information » price information, private information, trade integration
information wages » information age, information wants, information war
technology trade » technology trends, technology transfer, technology transfers
2 communications » 2 communication, 3 communications, 4 communications
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
wages case » ages case, wages close, cases case
de afrique » de l'afrique, en afrique, l afrique
costs a » costs _, costs 4
case 2 » case 1

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

• Adding a wildcard symbol may retrieve word variants: technology trade information wages case 2 communications costs a developpement de afrique.*.