Perhaps you should try some spelling variations:
oral communication » personal communication
communication 2.1 » communication 22.1, communications 2.1, communication 2.4
eu developpement » et developpement, du developpement, au developpement
developpement en » developpement et, developpement des, developpement de
variation being » variation bei, variation using, variation among
typologien die » typologien der, typologie des, typologie der
die variation » de variation, does variation, der variation
being does » lending does, reading does
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 die variation being does oral communication 2.1 eu developpement en afrique.*.