Perhaps you should try some spelling variations:
technologies summary » technology summary, technologies asymmetry, methodologies summary
summary information » primary information, asymmetry information, customary information
oral communication » personal communication
et developpement » de developpement, le developpement, test development
developpement de » developpement des, developpement durable
information 2 » information 3
de afrique » de l'afrique, en afrique, l 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 summary information 2 do oral communication _ et developpement de afrique.*.