Perhaps you should try some spelling variations:
du developpement » de developpement, le developpement, et developpement
developpement et » developpement des, developpement de, development east
era information » a information, via information, 4a information
technology era » technology eva, technology e, technology e.g
et afrique » en afrique, l afrique
3.0 1 » 3.0 _, 2.0 1
5.0 1 » 5.0 _
a du » a d, a de, a u

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: "technology era information ((3.0 1) OR (5.0 1)) risk communication a du developpement et afrique.~".
• Adding a wildcard symbol may retrieve word variants: technology era information ((3.0 1) OR (5.0 1)) risk communication a du developpement et afrique.*.