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
le developpement » de developpement, sme development
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
a oral » _ oral, 2 oral, 4 oral
4.2 a » 4.2 _, 2.2 a, 3.2 a

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

• Adding a wildcard symbol may retrieve word variants: technologies based information 4.2 a oral communication _ le developpement l afrique.*.