Perhaps you should try some spelling variations:
leur development » leur developpement, your development, spur development
communication 5 » communication _, communication a, communication 3
4 communication » 3 communication, 5.4 communication, de communication
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 des » variation _, variation 6, variation series
des do » des don, des dr
5 leur » a leur
do 4 » do _, do i, do a

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

• Adding a wildcard symbol may retrieve word variants: apologien der variation des do 4 communication 5 leur development en afrique.*.