Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
inflation states » inflation rates, inflation taxes, inflation starts
developpement et » developpement des, developpement de, development east
technology der » technology does, technology 4ir, technology dlt
der inflation » core inflation, _ inflation, low inflation
states trade » states state, states three
et afrique » en afrique, l afrique
trade 3.1 » trade 3.2, trade 4.1, trade 2.1

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

• Adding a wildcard symbol may retrieve word variants: technology der inflation states trade 3.1 communications costs _ developpement et afrique.*.