Perhaps you should try some spelling variations:
case communication » based communication, scale communication, face communication
firms information » fairs information, first information, form information
technology firms » technology from, technology platforms, technology fund
de developpement » sme development
developpement l » developpement il, developpement la, developpement de
3.2 areas » 3.4 areas, 3.3 areas, 3.8.2 areas
l afrique » en afrique
costs de » 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 firms information 3.2 areas case communication costs de developpement l afrique.*.