Perhaps you should try some spelling variations:
voice communication » voice communications, mobile communication, device communication
au developpement » du developpement, de developpement, le developpement
developpement de » developpement des, developpement durable
itc information » pitch information, c information, math information
technology itc » technology ict, technology ii, technology i
de afrique » de l'afrique, en afrique, l afrique
das voice » das choice, a voice
costs au » costs a, costs amy, costs _
3.2 das » 1.2 das, 3.2 data

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

• Adding a wildcard symbol may retrieve word variants: technology itc information 3.2 das voice communication costs au developpement de afrique.*.