Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technology energy » technology early, technology emerging, technology experts
de developpement » sme development
developpement et » developpement des, developpement de, development east
energy nation » energy action, energy taxation, energy adaption
nation rate » nation race, notation rate, nation state
et afrique » en afrique, l afrique
rate rate » rates rates, rate ratio, rate water
costs de » 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 energy nation rate rate data communications costs de developpement et afrique.*.