Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
4.2 communications » 4.2 communication, 3.2 communication, 6.2 communication
reservation wages » reservation wage
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
3 reservation » 3 preservation, _ reservation, _ preservation
technology 3 » technology _, technology 1, technology 4
wages race » wages trade, wage rate, wages case
l afrique » en afrique
race 4.2 » france 4.2, oracle 4.2, space 4.2
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology 3 reservation wages race 4.2 communications costs 4 developpement l afrique.*.