Perhaps you should try some spelling variations:
communication 3.3 » communication _, communication a, communication 1
der developpement » de developpement, des developpements, leur developpement
developpement en » developpement et, developpement des, developpement de
inflation tax » inflation rate, inflation _, inflation target
technology d » technology 1, technology 3, technology 4
d inflation » _ inflation, 2 inflation, 6 inflation
tax rules » tax rates
3.3 der » 2.3 der, 4.3 der

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

• Adding a wildcard symbol may retrieve word variants: technology d inflation tax rules _ communication 3.3 der developpement en afrique.*.