Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
developpement en » developpement et, developpement des, developpement de
inflation rates » inflation rate
technologien i » technologien im, technologien _, technologien 1
i inflation » iv inflation, _ inflation, 2 inflation
east 3.1 » cast 3.1, east 2.1, east 5.1

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 east 3.1 communications costs _ developpement en afrique.*.