Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information costs » information contents, information centers, information content
technologies ary » technologies vary, technologies art, technologies any
3 communications » 3 communication, 2 communications, 4 communications
ary information » early information, party information, jury information
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
fees 3 » fees _, fees a, fees 3.3

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

• Adding a wildcard symbol may retrieve word variants: technologies ary information costs fees 3 communications costs _ developpement l afrique.*.