Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
4.2 developpement » 4.2 development, de developpement, le developpement
developpement de » developpement des, developpement durable
inflation rates » inflation rate
rates green » rates greece, rates great
de fabrique » la fabrique, de l'afrique
green 3.1 » green 1.1, greece 3.1, green 19.1

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

• Adding a wildcard symbol may retrieve word variants: technologien _ inflation rates green 3.1 communications costs 4.2 developpement de fabrique.*.