Perhaps you should try some spelling variations:
technologien series » technologies series, technology series, technologies varies
series information » business information
oral communication » personal communication
information und » informations und
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
developing a » developing _
costs 2.3 » costs 4.2, costs 4.4
des oral » des moral, des oil, des orts
a access » 2 access, 3 access, 4 access
und des » und der

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

• Adding a wildcard symbol may retrieve word variants: technologien series information und des oral communication costs 2.3 developing a access.*.