Perhaps you should try some spelling variations:
persona communication » personal communication, personal communications, personal communicator
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
developing asia » development asia, developing a
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
de persona » de personal, de personas, die persona
asia areas » basic areas, aside areas, basin areas
costs 2.3 » costs 4.2, costs 4.4

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

• Adding a wildcard symbol may retrieve word variants: technologien des information _ de persona communication costs 2.3 developing asia areas.*.