Perhaps you should try some spelling variations:
6.13 communication » 6.1.3 communication, 2.3 communication, 4.1 communication
inflation rates » inflation rate
developpement l » developpement il, developpement la, developpement de
technologien i » technologien im, technologien _, technologien 1
i inflation » iv inflation, _ inflation, 2 inflation
east 6.13 » east 2.1, east 4.3, east 5.1
l afrique » en afrique

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 6.13 communication costs _ developpement l afrique.*.