Perhaps you should try some spelling variations:
data communication » data communications
der developpement » de developpement, des developpements, leur developpement
developpement de » developpement des, developpement durable
communication 3 » communication _, communication a
variation 11.6 » variation 1.1.1, variations 10.1.6, variation 10.4.6
l'apologie de » l'apologie des, apologia de, apologie des
de variation » der variation, die variation, does variation
11.6 does » 1.6 does, 1.4 does, 1.5 does
does data » does cat
3 der » _ der, 2 der

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

• Adding a wildcard symbol may retrieve word variants: l'apologie de variation 11.6 does data communication 3 der developpement de l'afrique.*.