Perhaps you should try some spelling variations:
oral communication » personal communication
communication 2.1 » communication 22.1, communications 2.1, communication 2.4
test development » forest development, port development, mena development
variation behn » variation bei, variation des, variation der
typologien de » typologien der, typologie des, typologie der
development l » development li, development 1, development law
de variation » der variation, die variation, does variation
behn does » being does, ban does
does oral » does formal, does oil
l afrique » en afrique
2.1 test » 3.1 test, 4.1 test

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

• Adding a wildcard symbol may retrieve word variants: typologien de variation behn does oral communication 2.1 test development l afrique.*.