Perhaps you should try some spelling variations:
information class » information classes, information case, information costs
de communication » mobile communication, online communication
4 information » 2 information, 1 information
technology 4 » technology _, technology 1, technology 3
class debate » grass debatte, class state, care debate
a developing » a development
developing a » developing _
debate de » debates de, debate we, debatte der
a africa » 1 africa, can africa, em africa
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology 4 information class debate de communication costs a developing a africa.*.