Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologien road » technologien ad, technologien und, technologien am
information 1.3 » information 14.3, information 1.2, information 10.4
der personal » der personalen, der personen, der person
a developing » a development
developing a » developing _
1.3 der » 2.3 der, 4.3 der, 3.3 der
costs a » costs _, costs 4
a areas » 1 areas, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologien road information 1.3 der personal communication costs a developing a areas.*.