Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
4.2 communications » 4.2 communication, 3.2 communication, 6.2 communication
developpement de » developpement des, developpement durable
4 developpement » de developpement, le developpement, et developpement
technology la » technology law, technology lag, technology land
tradition aid » traditional aid, tradition und, tradition a
la tradition » law tradition, a tradition, la transition
programs 4.2 » programs 2.2, programs _, programs a
de afrique » de l'afrique, en afrique, l afrique
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 la tradition aid programs 4.2 communications costs 4 developpement de afrique.*.