Perhaps you should try some spelling variations:
virtual communication » visual communication, verbal communication, cultural communication
information costs » information contents, information centers, information content
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
developing east » development east, developing a, developing asia
4 developing » 3 developing
2.3 virtual » 2.1 virtual, 2.2 virtual, 2.5 virtual
east arenas » task arenas, areas arenas
costs 2.3 » costs 4.2, costs 4.4
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 als information costs 2.3 virtual communication costs 4 developing east arenas.*.