Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technology century » technology center, technology centers, technology centered
de developpement » sme development
developpement de » developpement des, developpement durable
century nation » century national, century oration, century latin
nation rate » nation race, notation rate, nation state
de afrique » de l'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 century nation rate rate data communications costs de developpement de afrique.*.