Perhaps you should try some spelling variations:
oral communication » personal communication
communication 2.1 » communication 22.1, communications 2.1, communication 2.4
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
typologien does » typologie des, typologien der, typologie der
does variation » de variation, der variation, die variation
variation bei » variation des, variation der, variation _
does oral » does formal, does oil
bei does » being does, behn does, bei der
2.1 de » 2.1 die, 2.1 der, 2.1 do

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

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