Perhaps you should try some spelling variations:
case communication » based communication, scale communication, face communication
21st information » cost information, ist information, asset information
au developpement » du developpement, de developpement, le developpement
technology 21st » technology 2.1.1, technology 2.1.2, technology 2.1.3
information 2 » information 3
des afrique » en afrique, de l'afrique
costs au » costs a, costs amy, costs _
2 areas » 1 areas, 2 areal, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technology 21st information 2 areas case communication costs au developpement des afrique.*.