Perhaps you should try some spelling variations:
10.3 communication » 1.3 communication, 10.4.3 communication, 2.3 communication
trade information » price information, private information, trade integration
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
case 10.3 » case 10.4, care 10.3, case 10.2
age case » ages case, age care, age cave
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 10.3 communication costs 4 developpement de afrique.*.