Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
data developpement » data development, de developpement, et developpement
inflation slave » inflation rate, inflation levels, inflation starts
developpement l » developpement il, developpement la, developpement de
technology use » technology 1, technology 2.2, technology 3
use inflation » push inflation, und inflation, die inflation
costs data » cost data
l afrique » en afrique

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technology use inflation slave trade data communications costs data developpement l afrique.*.