Perhaps you should try some spelling variations:
2.1 communication » 2.14 communication, 2.3 communication, 2.7 communication
technologie does » technologien des, technologie de, technologie der
inflation states » inflation rates, inflation taxes, inflation starts
developpement l » developpement il, developpement la, developpement de
does inflation » der inflation, die inflation, core inflation
l afrique » en afrique
case 2.1 » cases 2.1, case 4.1, case 2.3

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

• Adding a wildcard symbol may retrieve word variants: technologie does inflation states case 2.1 communication costs _ developpement l afrique.*.