Perhaps you should try some spelling variations:
communication class » communication cross, communication case, communication crisis
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
technologie der » technologie de, technologien des, technologies de
class resource » case resource, access resource, crisis resource
der inflation » core inflation, _ inflation, low inflation
inflation tax » inflation rate, inflation _, inflation target
development l » development li, development 1, development law
l afrique » en afrique
tax case » tax cases, tax base, tax bases
case 4.1 » case 4.2, case 1

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

• Adding a wildcard symbol may retrieve word variants: technologie der inflation tax case 4.1 communication class resource development l afrique.*.