Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
from information » from informal, 1 information
information wage » information age, information war, information wants
developpement il » developpement de, developpement et, developpement du
a developpement » au developpement, de developpement, le developpement
il afrique » l afrique, en afrique
wage rate » wage rates
rate 3.2 » rates 3.2, rate 4.2, rate 5.2
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: technology from information wage rate 3.2 communication costs a developpement il afrique.*.