Perhaps you should try some spelling variations:
oral communication » personal communication
le developpement » de developpement, sme development
developpement du » developpement de, developpement des, developpement et
information 1.2 » information 1.5.2, information 2
technologies 2 » technologies _, technologies 4
du afrique » en afrique, l afrique, de l'afrique
a oral » _ oral, 2 oral, 4 oral
1.2 a » 1.2 _, 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 2 information 1.2 a oral communication _ le developpement du afrique.*.