Perhaps you should try some spelling variations:
visual communication » oral communication, personal communication
technologien und » technologie und, technologien des, technologien fur
information case » information based, information can, information costs
developing areas » developing asia, developing east, developing a
und information » fund information, road information, award information
4.1 developing » 3.1 developing, 4 developing, 3.3 developing
areas arenas » areas trends, seas areas
3d visual » 3d visuals, 3 visual, 3.2 visual
costs 4.1 » costs 4.2, costs 4.4, costs 4.3
case 3d » case 3, case 30, case 31

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

• Adding a wildcard symbol may retrieve word variants: technologien und information case 3d visual communication costs 4.1 developing areas arenas.*.