Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
model developments » model development, modern developments, code developments
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
inflation target » inflation targeting, inflation rate, inflation rates
developments end » developments lead, development trend, developments _
technology lag » technology law, technology land, technology lays
lag inflation » log inflation, wage inflation, low inflation
target daten » target date, target rate, target data
end afrique » en afrique
daten 4.1 » daten 4.3, daten 4.4, daten 4.5

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

• Adding a wildcard symbol may retrieve word variants: technology lag inflation target daten 4.1 communication cost model developments end afrique.*.