Perhaps you should try some spelling variations:
persona communications » personal communications, personal communication, regional communications
communications costs » communication costs, communications _
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
developing east » development east, developing a, developing asia
a developing » a development
ein persona » eine person, die persona, non personal
3.2 ein » 2.2 ein, 1.2 ein, 5.2 ein
costs a » costs _, costs 4
areal. » areas., area., real.

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

• Adding a wildcard symbol may retrieve word variants: technologien des information 3.2 ein persona communications costs a developing east areal.*.