Perhaps you should try some spelling variations:
persona communication » personal communication, personal communications, personal communicator
technologien dis » technologien des, technologien als, technologien im
information bank » information b, information 2, information 1
dis information » mis information, aids information, des informations
4.1 developing » 3.1 developing, 4 developing, 3.3 developing
debt persona » de persona, die persona, ein persona
developing 1 » developing _, developing a, developing e
costs 4.1 » costs 4.2, costs 4.4, costs 4.3
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 dis information bank debt persona communication costs 4.1 developing 1 areas.*.