Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
4.2 communications » 4.2 communication, 3.2 communication, 6.2 communication
4 developpement » de developpement, le developpement, et developpement
technology 3 » technology _, technology 1, technology 4
programs 4.2 » programs 2.2, programs _, programs a
des afrique » en afrique, de 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 3 training welfare programs 4.2 communications costs 4 developpement des afrique.*.