Perhaps you should try some spelling variations:
introduction 13.3 » introduction 13.2, introduction 3.3, introduction 1.3
de communication » mobile communication, online communication
a developpement » au developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
technologies a » technologies _, technologies 4, technologies 2
a introduction » china introduction, india introduction
13.3 does » 12.3 does, 13.2 does, 13.8 does
l afrique » en afrique
does de » does debt
media a » media _, media 1, media 3

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

• Adding a wildcard symbol may retrieve word variants: technologies a introduction 13.3 does de communication media a developpement l afrique.*.