Perhaps you should try some spelling variations:
information wages » information age, information wants, information war
3.2 communication » 3 communication, 2.3 communication, de communication
from information » from informal, 1 information
developpement et » developpement des, developpement de, development east
a developpement » au developpement, de developpement, le developpement
wages race » wages trade, wage rate, wages case
et afrique » en afrique, l afrique
race 3.2 » race 3.7, race 4.2, rice 3.2
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 wages race 3.2 communication costs a developpement et afrique.*.