Perhaps you should try some spelling variations:
net developpement » et developpement, de developpement, le developpement
developpement de » developpement des, developpement durable
era information » a information, via information, 4a information
technology era » technology eva, technology e, technology e.g
de afrique » de l'afrique, en afrique, l afrique
3.3 3 » 3.3 3d, 3.3 a, 3.3 e
a net » a new, _ net, a neo

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 ((3.3 3) OR (3.3 _)) risk communication a net developpement de afrique.~".
• Adding a wildcard symbol may retrieve word variants: technology era information ((3.3 3) OR (3.3 _)) risk communication a net developpement de afrique.*.