Perhaps you should try some spelling variations:
oral communication » personal communication
technologies rate » technologies create, technologies ret, technologies case
rate information » trade information, care information, age information
la developpement » le developpement, de developpement, et developpement
information 4.3 » information 4.2, information 4.3.3, information 1.2
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
2 oral » _ oral, 4 oral
4.3 2 » 4.3 2c, 4.3 2d, 4.3 _

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

• Adding a wildcard symbol may retrieve word variants: technologies rate information 4.3 2 oral communication a la developpement l afrique.*.