Perhaps you should try some spelling variations:
persona communication » personal communication, personal communications, personal communicator
technologien zur » technologien fur, technologien des, technologien und
information case » information based, information can, information costs
zur information » fur information, your information, der information
developing asia » development asia, developing a
de persona » de personal, de personas, die persona
asia areas » basic areas, aside areas, basin areas
case de » case des, case d, case d1

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

• Adding a wildcard symbol may retrieve word variants: technologien zur information case de persona communication costs _ developing asia areas.*.