Perhaps you should try some spelling variations:
3.5 communication » 3.2 communication, 3 communication, 2.3 communication
information wage » information age, information war, information wants
developpement il » developpement de, developpement et, developpement du
use information » user information, house information, users information
a developpement » au developpement, de developpement, le developpement
technology use » technology 1, technology 2.2, technology 3
wage policy » rate policy, change policy, trade policy
policy 3.5 » policey 3.5, policy 3.1, policy 3.3
il afrique » l afrique, en afrique
systems » system

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

• Adding a wildcard symbol may retrieve word variants: technology use information wage policy 3.5 communication systems a developpement il afrique.*.