Perhaps you should try some spelling variations:
person communication » personal communication, personal communications, irsn communication
information costs » information contents, information centers, information content
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
developing asia » development asia, developing a
4 developing » 3 developing
costs poor » costs per, costs pol, costs indoor
asia areas » basic areas, aside areas, basin areas
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien des information costs poor person communication costs 4 developing asia areas.*.