Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technological arab » technological art, technological gap, technological market
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
developpement la » developpement de, developpement et, developpement du
arab innovation » araieq innovation, earth innovation, data innovation
innovation race » innovation rate, innovation space, innovation brac
a developpement » au developpement, de developpement, le developpement
la afrique » l afrique, la fabrique, en afrique
race case » face case, france case, oracle case
case 3.1 » case 4.1, case 3.2, case 1
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technological arab innovation race case 3.1 communications costs a developpement la afrique.*.