Perhaps you should try some spelling variations:
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
technologien iv » technologien im, technologies iv, technologie iv
inflation wages » inflation rates, inflation taxes, inflation targets
developpement l » developpement il, developpement la, developpement de
iv inflation » i inflation, die inflation, aid inflation
wages case » ages case, wages close, cases case
l afrique » en afrique
case 6.2 » case 6.12, case f6.2, case 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien iv inflation wages case 6.2 communication costs _ developpement l afrique.*.