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
typologien de » typologien der, typologie des, typologie der
de variation » der variation, die variation, does variation
reading does » lending does, reading die, reading books
des afrique » en afrique, de l'afrique
does oral » does formal, does oil

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

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