Perhaps you should try some spelling variations:
person communications » personal communications, personal communication, peru communications
communications costs » communication costs, communications _
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
information und » informations und
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
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 aids information und der person communications costs 4 developing asia areal.*.