Perhaps you should try some spelling variations:
technologies energy » technologies general, technology energy, technologies any
communication data » communication 3, communication 1, communication 3.3
information costs » information contents, information centers, information content
et developpement » de developpement, le developpement, test development
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
costs 4 » costs _, costs a, costs 4.2
data et » data e, data el, data en
4 risk » 3 risk

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologies energy information costs 4 risk communication data et developpement l afrique.*.