Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
1973 communication » 13 communication, 1.3 communication, 19 communication
le developpement » de developpement, sme development
inflation rates » inflation rate
developpement l » developpement il, developpement la, developpement de
technology 4ir » technology 4, technology 4.1, technology 4.2
4ir inflation » der inflation, die inflation, aid inflation
rates can » rate can, rates cape, rates hans
l afrique » en afrique
can 1973 » van 1973, dan 1973, cara 1973
cost le » cost low, cost lcc

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

• Adding a wildcard symbol may retrieve word variants: technology 4ir inflation rates can 1973 communication cost le developpement l afrique.*.