Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
communication case » communications case, communication based, communication phase
information 1.2.2 » information 12.2.2, information 1.5.2, information 2.2.2
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
3 developing » 3 development
developing 4 » developing _, developing a, developing e
dr verbal » des verbal, pre verbal, _ verbal
1.2.2 dr » 1.2.2 der, 1.2.2 die, 1.2.2 das
4 access » 2 access, 3 access
case 3 » case 1, case 2

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

• Adding a wildcard symbol may retrieve word variants: technologien des information 1.2.2 dr verbal communication case 3 developing 4 access.*.