Perhaps you should try some spelling variations:
communication case » communications case, communication based, communication phase
2.1 communication » 2.14 communication, 2.3 communication, 2.7 communication
gaps information » als information, gets information, laws information
information what » information war, information when, information wants
developpement en » developpement et, developpement des, developpement de
technology gaps » technology gap
d developpement » de developpement, du developpement, le developpement
what race » what's race, what place, what role
race 2.1 » rice 2.1, france 2.1, space 2.1
case d » case 1, case 2, case 3

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

• Adding a wildcard symbol may retrieve word variants: technology gaps information what race 2.1 communication case d developpement en afrique.*.