Perhaps you should try some spelling variations:
2.1 communication » 2.14 communication, 2.3 communication, 2.7 communication
technologien des » technologien fur, technologien und, technologies 2
inflation states » inflation rates, inflation taxes, inflation starts
developpement de » developpement des, developpement durable
des inflation » does inflation, der inflation, die inflation
de afrique » de l'afrique, en afrique, l 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: technologien des inflation states case 2.1 communication costs _ developpement de afrique.*.