Perhaps you should try some spelling variations:
technologies based » technologies used, technology based, technologies a
oral communication » personal communication
based information » basic information, based innovation, land information
die developpement » de developpement, le developpement, du developpement
information 15.2 » information 1.5.2, information 1.2, information 1.3
communication 3 » communication _, communication a
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
15.2 2 » 15.2 _, 15.2 a
2 oral » _ oral, 4 oral
3 die » 2 die, _ die

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

• Adding a wildcard symbol may retrieve word variants: technologies based information 15.2 2 oral communication 3 die developpement l afrique.*.