Perhaps you should try some spelling variations:
person communications » personal communications, personal communication, peru communications
communications costs » communication costs, communications _
technologien als » technologien des, technologien fur, technologien und
developing based » development based, developing asia, developing east
als information » als informations, aids information, laws information
4 developing » 3 developing
based rural » based natural
der person » per person, der personen, older persons
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien als information _ der person communications costs 4 developing based rural.*.