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 3 » information 2
l afrique » en afrique
do oral » do rural, who oral
3 do » _ do, 3 d, 1 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 3 do oral communication _ das developpement l afrique.*.