Perhaps you should try some spelling variations:
personal communication » interpersonal communication
communication costa » communication costs, communications costs, communication cote
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
der personal » der personalen, der personen, der person
3 developing » 3 development
developing a » developing _
3.2 der » 2.2 der
costa 3 » costa e, costa p
a areas » 1 areas, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologien als information 3.2 der personal communication costa 3 developing a areas.*.