Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
4.2 developing » 2.2 developing, 3.2 developing, 4.1 developing
information b » information 2, information 1, information bank
des personal » des personals, der personal, das personal
states areas » states bureau, states thread, studies areas
b des » b does, b der, b das

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

• Adding a wildcard symbol may retrieve word variants: technologien als information b des personal communication costs 4.2 developing states areas.*.