Perhaps you should try some spelling variations:
oral communication » personal communication
das developpement » des developpements, de developpement, du developpement
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 _
test oral » test opa
media das » media data, medien das, medium das
bei test » ai test, api test, i test

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 test oral communication media das developpement en afrique.*.