Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information und » informations und
technologies 4 » technologies _
ebook personal » work personal
4 information » 2 information, 1 information
4 developing » 3 developing
developing a » developing _
und ebook » fund book
costs 4 » costs _, costs a, costs 4.2
a area » a areas, 1 area, 3 area

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information und ebook personal communication costs 4 developing a area.*.