Perhaps you should try some spelling variations:
person communications » personal communications, personal communication, peru communications
communications costs » communication costs, communications _
technologien des » technologien fur, technologien und, technologies 2
des informations » aids information
developing asia » development asia, developing a
4 developing » 3 developing
der person » per person, der personen, older persons
costs 4 » costs _, costs a, costs 4.2
und » fund
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 informations und der person communications costs 4 developing asia areal.*.