Perhaps you should try some spelling variations:
variation reading » tradition reading, variation among, variation using
oil communication » oral communication, social communication, moral communication
communication 2.1 » communication 22.1, communications 2.1, communication 2.4
eu developpement » et developpement, du developpement, au developpement
developpement et » developpement des, developpement de, development east
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
reading die » reading does, reading iii, reading guide
et afrique » en afrique, l afrique
die oil » die oels

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation reading die oil communication 2.1 eu developpement et afrique.*.