Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.2 communications » 3.2 communication, 3.1 communications, 4.2 communications
technology hydro » technology hard, technology how, technology help
hydro generation » hydropower generation
generation wages » generation age, reservation wages, generation rate
le developpement » de developpement, sme development
developpement l » developpement il, developpement la, developpement de
wages space » wages race
space 3.2 » space 2.1
l afrique » en afrique
costs le » 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 hydro generation wages space 3.2 communications costs le developpement l afrique.*.