Perhaps you should try some spelling variations:
virtual communication » visual communication, verbal communication, cultural communication
technologien als » technologien des, technologien fur, technologien und
als informations » als information, des informations, a informations
informations can » information can, informations und, informations sur
developing east » development east, developing a, developing asia
4 developing » 3 developing
east areas » karst areas, east asezs
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 informations can _ virtual communication costs 4 developing east areas.*.