Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
2.4 communications » 2.4 communication, 5.4 communication, 1.4 communication
technology die » technologie die, technology does, technology 4ir
ch development » tech development, 2 development, 3 development
development en » developpement en, development menu, development eco
die inflation » does inflation, der inflation, price inflation
inflation das » inflation bias, inflation tax, inflation a
das case » das coase, das cafe, das close
case 2.4 » case 12.4, case 2.3, case 4.4
costs ch » costs cash, costs chap, costs _

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technology die inflation das case 2.4 communications costs ch development en afrique.*.