Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
4 developpement » de developpement, le developpement, et developpement
information 2 » information 3
technology 1 » technology _
test mobile » less mobile, test module, meets mobile
des afrique » en afrique, de l'afrique
costs 4 » costs _, costs a, costs 4.2
2 test » 3.2 test

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technology 1 information 2 test mobile communications costs 4 developpement des afrique.*.