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
information 2 » information 3
development l » development li, development 1, development law
l afrique » en afrique
do oral » do rural, who oral
2 do » _ do, 2 co, 2 de

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

• Adding a wildcard symbol may retrieve word variants: technologies based information 2 do oral communication networks _ development l afrique.*.