Perhaps you should try some spelling variations:
5.2 communication » 3.2 communication, 6.2 communication, 2.2 communication
technologien i » technologien im, technologien _, technologien 1
inflation der » inflation index, inflation _, inflation tax
i inflation » iv inflation, _ inflation, 2 inflation
des afrique » en afrique, de l'afrique
der case » per case, dar case, der care
case 5.2 » case 4.2, case 3.2, case 2

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

• Adding a wildcard symbol may retrieve word variants: technologien i inflation der case 5.2 communication costs _ developpement des afrique.*.