Perhaps you should try some spelling variations:
virtual communication » visual communication, verbal communication, cultural communication
information centres » information centre, information centrism, information centers
developing cpia » developing china, developing asia, developing cil
technologien a » technologien am, technologien ad, technologien _
3.1 developing » 3.3 developing, 3.2 developing, 4.1 developing
a information » 2 information, 1 information
centres a » centres _, centre a, centuries a
a virtual » _ virtual
costs 3.1 » costs 3.5, costs 4.1, costs 2.1

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

• Adding a wildcard symbol may retrieve word variants: technologien a information centres a virtual communication costs 3.1 developing cpia africa.*.