Perhaps you should try some spelling variations:
technological changes » technological change, technological advances
communications costs » communication costs, communications _
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
changes inflation » cases inflation, wages inflation, change information
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 3.1 » 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: technological changes inflation und case 3.1 communications costs a development e afrique.*.