Perhaps you should try some spelling variations:
personal communications » personal communication, interpersonal communications, internal communications
communications costs » communication costs, communications _
technologien des » technologien fur, technologien und, technologies 2
information case » information based, information can, information costs
des information » des informations, does information, dis information
developing asia » development asia, developing a
4 developing » 3 developing
ii personal » ii personnel, a personal, 1 personal
case ii » case i, phase ii
costs 4 » costs _, costs a, costs 4.2
asezs. » sezs., aezs.

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

• Adding a wildcard symbol may retrieve word variants: technologien des information case ii personal communications costs 4 developing asia asezs.*.