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
au developpement » du developpement, de developpement, le developpement
developpement de » developpement des, developpement durable
3 reservation » 3 preservation, _ reservation, _ preservation
technology 3 » technology _, technology 1, technology 4
wages france » wales france, wages race, nantes france
france 4.2 » france 2.2, france 4.1, france 6.1
de afrique » de l'afrique, en afrique, l afrique
costs au » costs a, costs amy, costs _

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 france 4.2 communications costs au developpement de afrique.*.