Perhaps you should try some spelling variations:
oral communication » personal communication
technologies case » technologies based, technologies can, technologies create
das developpement » des developpements, de developpement, du developpement
case information » care information, based information, phase information
developpement la » developpement de, developpement et, developpement du
information 1 » information 2, information 3, information 3.2
la afrique » l afrique, la fabrique, en afrique
do oral » do rural, who oral
1 do » _ do

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

• Adding a wildcard symbol may retrieve word variants: technologies case information 1 do oral communication _ das developpement la afrique.*.