Perhaps you should try some spelling variations:
personal communications » personal communication, interpersonal communications, internal communications
communications costs » communication costs, communications _
technologien und » technologie und, technologien des, technologien fur
und informations » und information, und informationen, fund information
developing areas » developing asia, developing east, developing a
informations b » informations und, informations sur, informations och
der personal » der personalen, der personen, der person
4 developing » 3 developing
areas areas » areas arenas, seas areas, areas access
costs 4 » costs _, costs a, costs 4.2
b der » _ der, 2 der, 3 der

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

• Adding a wildcard symbol may retrieve word variants: technologien und informations b der personal communications costs 4 developing areas areas.*.