Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.2 communications » 3.2 communication, 3.1 communications, 4.2 communications
technology change » technological change, technological changes
change inflation » change information, change innovation, change simulation
inflation und » inflation index, inflation _, inflation tax
development e » development 1, development eco, development 11
e afrique » en afrique, l afrique, de l'afrique
und case » und care, und cash, id case
case 3.2 » case 4.2, case 3.1, case 5.2
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 change inflation und case 3.2 communications costs a development e afrique.*.