Perhaps you should try some spelling variations:
technological changes » technological change, technological advances
4.2 communications » 4.2 communication, 3.2 communication, 6.2 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 cash » und case, und care, und carl
cash 4.2 » case 4.2, cash 3.2, cash 4.1

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 cash 4.2 communications _ a development e afrique.*.