Perhaps you should try some spelling variations:
technologies based » technologies used, technology based, technologies a
oral communication » personal communication
based information » basic information, based innovation, land information
das developpement » des developpements, de developpement, du developpement
developpement l » developpement il, developpement la, developpement de
information 1 » information 2, information 3, information 3.2
l afrique » 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 based information 1 do oral communication _ das developpement l afrique.*.