Perhaps you should try some spelling variations:
communication mode » communication model, communication modes, communication module
3.2 communication » 3 communication, 2.3 communication, de communication
information what » information war, information when, information wants
development east » development southeast, development 1
use information » user information, house information, users information
des development » does development, ides development, dams development
technology use » technology 1, technology 2.2, technology 3
east afrique » east africa, east african, en afrique
what race » what's race, what place, what role
race 3.2 » race 3.7, race 4.2, rice 3.2
mode des » mode de, code des, mode der

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

• Adding a wildcard symbol may retrieve word variants: technology use information what race 3.2 communication mode des development east afrique.*.