Perhaps you should try some spelling variations:
oral communication » personal communication
communication 1.1 » communication 4.1, communication 7.1, communication 1.3
test development » forest development, port development, mena development
development du » development d, development ds, developpement du
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
variation des » variation _, variation 6, variation series
du afrique » en afrique, l afrique, de l'afrique
does oral » does formal, does oil
des does » des doses, der does, des dorfes
1.1 test » 3.1 test, 4.1 test, 2.1 test

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation des does oral communication 1.1 test development du afrique.*.