Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
aided communications » wired communications, speed communications, guinea communications
information 15.2 » information 1.5.2, information 1.2, information 1.3
developpement de » developpement des, developpement durable
ii information » i information, 2 information, 1 information
technology ii » technology ict, technology 1, technology 3
does aided » does aid, does add
de afrique » de l'afrique, en afrique, l afrique
15.2 does » 13.2 does, 18.2 does, 12 does

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

• Adding a wildcard symbol may retrieve word variants: technology ii information 15.2 does aided communications costs _ developpement de afrique.*.