Perhaps you should try some spelling variations:
information costs » information contents, information centers, information content
technologies key » technologies any, technologies know, technologies _
et developpement » de developpement, le developpement, test development
key information » energy information
communication 3 » communication _, communication a
des afrique » en afrique, de l'afrique
3 et » 13 et, 3 fet, 3 set

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

• Adding a wildcard symbol may retrieve word variants: technologies key information costs _ risk communication 3 et developpement des afrique.*.