Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
some developpement » sme development, de developpement, le developpement
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
inflation target » inflation targeting, inflation rate, inflation rates
developpement du » developpement de, developpement des, developpement et
technology die » technologie die, technology does, technology 4ir
die inflation » does inflation, der inflation, price inflation
target year » targeted wear, target board, target wheat
du afrique » en afrique, l afrique, de l'afrique
year 4.1 » year 4.3, year 4.4, year 8.1

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

• Adding a wildcard symbol may retrieve word variants: technology die inflation target year 4.1 communication cost some developpement du afrique.*.