Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technology foster » technology frontier, technology mastery, technology system
foster innovation » fostering innovation, user innovation, system innovation
et developpement » de developpement, le developpement, test development
innovation base » innovation based, innovation case, innovations case
developpement l » developpement il, developpement la, developpement de
base prices » base price, gas prices, asset prices
l afrique » en afrique
costs et » 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 foster innovation base prices _ communications costs et developpement l afrique.*.