Perhaps you should try some spelling variations:
irsn communication » iran communications, ironic communication, open communication
bau developpement » au developpement, du developpement, ou 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 das » 1 das, 2 das, _ das
3 das » 1 das, 2 das
a bau » a bad, a bab, a ban

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 das) OR (3 das)) irsn communication a bau developpement en afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies a innovation ((a das) OR (3 das)) irsn communication a bau developpement en afrique.*.