Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
developpement de » developpement des, developpement durable
technology hard » technology has, technology have, technology hydro
inflation wages » inflation rates, inflation taxes, inflation targets
a developpement » au developpement, de developpement, le developpement
hard inflation » aid inflation, has inflation, hybrid inflation
wages case » ages case, wages close, cases case
de afrique » de l'afrique, en afrique, l afrique
case 3.1 » case 4.1, case 3.2, case 1
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 hard inflation wages case 3.1 communications costs a developpement de afrique.*.