Perhaps you should try some spelling variations:
voice communications » mobile communications, guinea communications, online communications
communications costs » communication costs, communications _
au developpement » du developpement, de developpement, le developpement
itc information » pitch information, c information, math information
technology itc » technology ict, technology ii, technology i
information 1 » information 2, information 3, information 3.2
des afrique » en afrique, de l'afrique
das voice » das choice, a voice
costs au » costs a, costs amy, costs _

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

• Adding a wildcard symbol may retrieve word variants: technology itc information 1 das voice communications costs au developpement des afrique.*.