Perhaps you should try some spelling variations:
communication cases » communication case, communication costs, communication based
3.4 communication » 5.4 communication, 3.2 communication, 3.5 communication
des developpement » des developpements, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
technologie die » technologie de, technologie im, technologie der
die inflation » does inflation, der inflation, price inflation
rate rate » rates rates, rate ratio, rate water
rate 3.4 » rate 13.4, rate 2.4, rate 5.4

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

• Adding a wildcard symbol may retrieve word variants: technologie die inflation rate rate 3.4 communication cases des developpement en afrique.*.