Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
mass communications » mass communication, data communications, crisis communications
technologies key » technologies any, technologies know, technologies _
developpement de » developpement des, developpement durable
key information » energy information
information can » information case, information 1, information 1.2
de afrique » de l'afrique, en afrique, l afrique
de mass » de masse, de mais, de masa
can de » can do, can code, can deal

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

• Adding a wildcard symbol may retrieve word variants: technologies key information can de mass communications costs _ developpement de afrique.*.