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 11.2 » information 1.2, information 15.2, information 11.3
als information » als informations, aids information, laws information
des personal » des personals, der personal, das personal
2 developing » 3 developing, 4 developing, 2 development
developing 1 » developing _, developing a, developing e
11.2 des » 1.1.2 des, 1.2 des, 11.2 das
costa 2 » costa e, cesta 2, costa 3
1 areas » 1 area, 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 11.2 des personal communication costa 2 developing 1 areas.*.