Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technology cipher » technology chapter, technology center, technology other
de developpement » sme development
developpement l » developpement il, developpement la, developpement de
notation rate » mutation rate, notation save, innovation rate
rate rate » rates rates, rate ratio, rate water
l afrique » en afrique
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 cipher notation rate rate data communications costs de developpement l afrique.*.