Perhaps you should try some spelling variations:
model communications » modern communications, border communications, aided communications
communications costs » communication costs, communications _
a developpement » au developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
technology how » technology 1, technology 2.2, technology 3
how inflation » low inflation, log inflation, has inflation
trade model » trade models, trade more
rate trade » trade trade, water trade, state trade
l afrique » en afrique
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology how inflation rate trade model communications costs a developpement l afrique.*.