Perhaps you should try some spelling variations:
oral communication » personal communication
technologies can » technologies a, technologies co, technologies _
de developpement » sme development
can information » von information, von informationen
information 5.2 » information 15.2, information 1.2, information 5.4
developpement l » developpement il, developpement la, developpement de
l afrique » en 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 can information 5.2 do oral communication _ de developpement l afrique.*.