Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technologies daf » technologies dans, technologies a, technologies de
developpement et » developpement des, developpement de, development east
daf information » f information, math information, 2 information
information 1.2 » information 1.5.2, information 2
4 developpement » de developpement, le developpement, et developpement
et afrique » en afrique, l afrique
does data » does cat
1.2 does » 13.2 does, 18.2 does, 1.2 des
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: technologies daf information 1.2 does data communications costs 4 developpement et afrique.*.