Perhaps you should try some spelling variations:
oral communication » personal communication
technologies past » technologies part, technologies pt, technologies art
des developpement » des developpements, de developpement, le developpement
past information » plant information, cost information, ist information
developpement de » developpement des, developpement durable
de afrique » de l'afrique, en afrique, l afrique
do oral » do rural, who oral

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

• Adding a wildcard symbol may retrieve word variants: technologies past information d820 do oral communication _ des developpement de afrique.*.