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
information 13.2 » information 3.2, information 1.2, information 15.2
als information » als informations, aids information, laws information
a developing » a development
developing 4 » developing _, developing a, developing e
e personal » de personal, 1 personal, 4 personal
costa a » costa e, cost a, costa 3
4 areas » 1 areas, 2 areas, 4 areal
13.2 e » 13.2 _, 13.2 a, 13.2 key

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

• Adding a wildcard symbol may retrieve word variants: technologien als information 13.2 e personal communication costa a developing 4 areas.*.