Perhaps you should try some spelling variations:
visual communication » oral communication, personal communication
information costs » information contents, information centers, information content
technologien und » technologie und, technologien des, technologien fur
developing areas » developing asia, developing east, developing a
und information » fund information, road information, award information
4 developing » 3 developing
areas arenas » areas trends, seas areas
2.3 visual » 2.1 visual, 4.3 visual, 2 visual
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 und information costs 2.3 visual communication costs 4 developing areas arenas.*.