Perhaps you should try some spelling variations:
external communication » internal communication, internal communications, personal communication
developpement du » developpement de, developpement des, developpement et
technologies a » technologies _, technologies 4, technologies 2
a innovation » 2 innovation, 3 innovation, 4 innovation
do external » do externel, does external, 4 external
du afrique » en afrique, l afrique, de l'afrique
a le » a les, a l, a e

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technologies a innovation _ do external communication ((a le) OR (a la)) developpement du afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies a innovation _ do external communication ((a le) OR (a la)) developpement du afrique.*.