Perhaps you should try some spelling variations:
oral communication » personal communication
information 2.3.3 » information 4.3.3, information 2.3.2, information 3.3.3
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
2.4 developing » 12.4 developing, 2.2 developing, 5.4 developing
developing 2 » developing _, developing a, developing e
2.3.3 der » 2.3.1 der, 2.3.2 der, 3.3.3 der
costs 2.4 » costs 12.4, costs 23.4, cost 2.4
der oral » der moral, der ort, der orte
2 access » 3 access

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

• Adding a wildcard symbol may retrieve word variants: technologien des information 2.3.3 der oral communication costs 2.4 developing 2 access.*.