Perhaps you should try some spelling variations:
virtual communication » visual communication, verbal communication, cultural communication
developing east » development east, developing a, developing asia
technologies 2 » technologies _, technologies 4
information 26 » information 2.6, information 2, information 24
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
und virtual » 3d virtual
east africa » west africa
costs 2.2 » costs 4.2, costs 2.3, cost 2.2

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 26 und virtual communication costs 2.2 developing east africa.*.