Perhaps you should try some spelling variations:
data communication » data communications
leur development » leur developpement, your development, spur development
communication 5 » communication _, communication a, communication 3
development en » developpement en, development menu, development eco
apologien der » typologien der, apologie des, ideologien der
der variation » de variation, does variation, die variation
variation 6 » variation _, variations _, variation des
5 leur » a leur
6 eo » 6 eco, 6 co, 6 do

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

• Adding a wildcard symbol may retrieve word variants: apologien der variation 6 eo data communication 5 leur development en afrique.*.