Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technology change » technological change, technological changes
change inflation » change information, change innovation, change simulation
4 communications » 14 communications, 4 communication, 2 communications
development li » development lid, development lie, development lin
inflation und » inflation index, inflation _, inflation tax
li afrique » l afrique, en afrique
und case » und care, und cash, id case
costs a » costs _, costs 4
case 4 » case 1, case 2, case 3

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 4 communications costs a development li afrique.*.