Perhaps you should try some spelling variations:
developing contents » developing contexts, developing concepts, development contents
oral communication » personal communication
information based » information case, information bank, transformation based
4.2 developing » 2.2 developing, 3.2 developing, 4.1 developing
contents less » contents lists, contents list, contents lead
based der » basel der, based order, based debt
der oral » der moral, der ort, der orte

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

• Adding a wildcard symbol may retrieve word variants: technologien _ information based der oral communication costs 4.2 developing contents less.*.