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
a developing » a development
developing 4 » developing _, developing a, developing e
3.2 der » 2.2 der
costa a » costa e, cost a, costa 3
4 areal » 4 real, _ areal, 2 areal

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 a developing 4 areal.*.