Perhaps you should try some spelling variations:
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
inflation states » inflation rates, inflation taxes, inflation starts
technologie der » technologie de, technologien des, technologies de
developpement l » developpement il, developpement la, developpement de
der inflation » core inflation, _ inflation, low inflation
l afrique » en afrique
case 4.2 » case 4.1, case 2

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

• Adding a wildcard symbol may retrieve word variants: technologie der inflation states case 4.2 communication costs _ developpement l afrique.*.