Perhaps you should try some spelling variations:
oral communication » personal communication
variation reading » tradition reading, variation among, variation using
communication 2.1 » communication 22.1, communications 2.1, communication 2.4
eu developpement » et developpement, du developpement, au developpement
des variation » does variation, de variation, der variation
reading die » reading does, reading iii, reading guide
des afrique » en afrique, de l'afrique
die oral » die moral, die orte
typologie » typologies, typology

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

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