Perhaps you should try some spelling variations:
persona communications » personal communications, personal communication, regional communications
communications costs » communication costs, communications _
developing areas » developing asia, developing east, developing a
technologien 2 » technologies 2, technologien _, technologien 1
information 2 » information 3
a developing » a development
areas arenas » areas trends, seas areas
die persona » die person, de persona, die personale
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologien 2 information 2 die persona communications costs a developing areas arenas.*.