Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologie die » technologie de, technologie im, technologie der
4 communication » 3 communication, 5.4 communication, de communication
development lie » development life, development li, development lid
die inflation » does inflation, der inflation, price inflation
cost resource » costs resource, best resource, case resource
lie afrique » l afrique
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: technologie die inflation _ case 4 communication cost resource development lie afrique.*.