Perhaps you should try some spelling variations:
model communications » modern communications, border communications, aided communications
communications costs » communication costs, communications _
et developpement » de developpement, le developpement, test development
developpement et » developpement des, developpement de, development east
technology has » technology hard, technology have, technology how
has inflation » how inflation, u.s inflation, cases inflation
space model » space models
rate space » state space, trace space, safe space
et afrique » en afrique, l 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 has inflation rate space model communications costs et developpement et afrique.*.