Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
2.2 communications » 2.2 communication, 4.2 communications, 3.2 communication
trade information » price information, private information, trade integration
technology trade » technology trends, technology transfer, technology transfers
et developpement » de developpement, le developpement, test development
developpement du » developpement de, developpement des, developpement et
information age » information storage, information access, information about
du afrique » en afrique, l afrique, de l'afrique
age case » ages case, age care, age cave
case 2.2 » cases 2.2, case 4.2, case 2.3
costs et » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology trade information age case 2.2 communications costs et developpement du afrique.*.