Perhaps you should try some spelling variations:
communications can » communication can, communications case, communications juan
4 communications » 14 communications, 4 communication, 2 communications
do developpement » de developpement, du developpement, le developpement
developpement en » developpement et, developpement des, developpement de
technologies a » technologies _, technologies 4, technologies 2
a innovation » 2 innovation, 3 innovation, 4 innovation
a dac » a das, a day, a dad
_ dac » _ day, _ das, _ dam

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 ((a dac) OR (_ dac)) 4 communications can do developpement en afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies a innovation ((a dac) OR (_ dac)) 4 communications can do developpement en afrique.*.