Perhaps you should try some spelling variations:
developpement de » developpement des, developpement durable
era information » a information, via information, 4a information
information 3.4 » information 3.2, information 2, information 1
technology era » technology eva, technology e, technology e.g
de afrique » de l'afrique, en afrique, l afrique
3.4 3 » 3.4 _, 3.4 a, 3.4 k
_ set » _ sea, _ sex

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 3.4 3 risk communication ((a set) OR (_ set)) developpement de afrique.~".
• Adding a wildcard symbol may retrieve word variants: technology era information 3.4 3 risk communication ((a set) OR (_ set)) developpement de afrique.*.