Perhaps you should try some spelling variations:
oral communication » personal communication
communication 1.1 » communication 4.1, communication 7.1, communication 1.3
developments des » development desd, developments web, developments codas
variation using » variations during, variation und, variation among
eu developments » eu development, new developments, key developments
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
des afrique » en afrique, de l'afrique
using does » using deep, being does, using aes
does oral » does formal, does oil
1.1 eu » 2.1 eu, 1.1 el, 3.1 eu

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation using does oral communication 1.1 eu developments des afrique.*.