Perhaps you should try some spelling variations:
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
inflation target » inflation targeting, inflation rate, inflation rates
developpement et » developpement des, developpement de, development east
technology der » technology does, technology 4ir, technology dlt
der inflation » core inflation, _ inflation, low inflation
target date » target rate, target range
et afrique » en afrique, l afrique
date 4.1 » daten 4.1, data 4.1, date 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology der inflation target date 4.1 communication costs _ developpement et afrique.*.