Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technology hydro » technology hard, technology how, technology help
hydro generation » hydropower generation
generation rates » generation rate, penetration rates, generation rises
le developpement » de developpement, sme development
developpement l » developpement il, developpement la, developpement de
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 rates space _ communications costs le developpement l afrique.*.