Perhaps you should try some spelling variations:
from communication » data communication, de communication, 3 communication
leur developpement » le developpement, deux developpements, de developpement
developpement de » developpement des, developpement durable
rheologie de » rheologie des, theologie der, theologie des
de variation » der variation, die variation, does variation
figures from » futures from, features from
de afrique » de l'afrique, en afrique, l afrique

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

• Adding a wildcard symbol may retrieve word variants: rheologie de variation _ figures from communication a leur developpement de afrique.*.