Perhaps you should try some spelling variations:
information wages » information age, information wants, information war
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
e developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
4 information » 2 information, 1 information
technology 4 » technology _, technology 1, technology 3
wages race » wages trade, wage rate, wages case
l afrique » en afrique
race 2.7 » race 3.7, rate 2.7, rice 2.7
costs e » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology 4 information wages race 2.7 communication costs e developpement l afrique.*.