Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
based communications » based communication, speed communications, aided communications
en developpement » et developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
can information » von information, von informationen
technology can » technology change, technology 1, technology 2.2
information 19 » information 1.9, information 1, information 11
cases based » case based, cables based, scales based
19 cases » 4 cases
costs en » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology can information 19 cases based communications costs en developpement en afrique.*.