Perhaps you should try some spelling variations:
oral communication » personal communication
communication 11 » communication 1.1, communication 101, communication 1
variation using » variations during, variation und, variation among
developments en » developments end, developments web, developments _
ideologie der » ideologie und, typologie der
der variation » de variation, does variation, die variation
using does » using deep, being does, using aes
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: ideologie der variation using does oral communication 11 _ developments en afrique.*.