Perhaps you should try some spelling variations:
2.4 communication » 2.14 communication, 5.4 communication, 2.3 communication
technology trade » technology trends, technology transfer, technology transfers
developpement la » developpement de, developpement et, developpement du
4 developpement » de developpement, le developpement, et developpement
regulation law » regulation a, regulation l510, regulation _
la afrique » l afrique, la fabrique, en afrique
law pre » law press, law part
pre 2.4 » care 2.4
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 regulation law pre 2.4 communication costs 4 developpement la afrique.*.