Perhaps you should try some spelling variations:
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
developpement la » developpement de, developpement et, developpement du
inflation rates » inflation rate
technologien i » technologien im, technologien _, technologien 1
i inflation » iv inflation, _ inflation, 2 inflation
rates case » rates cape, states case, rates east
la afrique » l afrique, la fabrique, en afrique
case 3.1 » case 4.1, case 3.2, case 1

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

• Adding a wildcard symbol may retrieve word variants: technologien i inflation rates case 3.1 communication costs _ developpement la afrique.*.