Perhaps you should try some spelling variations:
trade information » price information, private information, trade integration
1.3 communication » 2.3 communication, 13 communication, 4.3 communication
technology trade » technology trends, technology transfer, technology transfers
developpement de » developpement des, developpement durable
information age » information storage, information access, information about
4 developpement » de developpement, le developpement, et developpement
de afrique » de l'afrique, en afrique, l afrique
age case » ages case, age care, age cave
case 1.3 » case 10.3, case 13.3, case 14.3
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 trade information age case 1.3 communication costs 4 developpement de afrique.*.